Process 74 attached - interrupt to quit
     0.000000 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [4])
     0.387886 ioctl(4, FIONREAD, [14])  = 0
     0.006413 read(4, "\r\n+CIEV: 1,3\r\n", 14) = 14
 | 00000  0d 0a 2b 43 49 45 56 3a  20 31 2c 33 0d 0a        ..+CIEV:  1,3..   |
     0.007894 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [17], [], NULL) = 1 (out [17])
     0.006835 write(17, "\x01\x07\x04\x00\x00\x00\x00\x00\x03\x00\x00\x00", 12) = 12
 | 00000  01 07 04 00 00 00 00 00  03 00 00 00              ........ ....     |
     0.060370 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [4])
     0.868180 ioctl(4, FIONREAD, [14])  = 0
     0.006276 read(4, "\r\n+CIEV: 1,2\r\n", 14) = 14
 | 00000  0d 0a 2b 43 49 45 56 3a  20 31 2c 32 0d 0a        ..+CIEV:  1,2..   |
     0.007578 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [17], [], NULL) = 1 (out [17])
     0.007096 write(17, "\x01\x07\x04\x00\x00\x00\x00\x00\x02\x00\x00\x00", 12) = 12
 | 00000  01 07 04 00 00 00 00 00  02 00 00 00              ........ ....     |
     0.065166 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 2 (in [4 18])
     0.996296 ioctl(4, FIONREAD, [14])  = 0
     0.006271 read(4, "\r\n+CIEV: 1,3\r\n", 14) = 14
 | 00000  0d 0a 2b 43 49 45 56 3a  20 31 2c 33 0d 0a        ..+CIEV:  1,3..   |
     0.006957 ioctl(18, FIONREAD, [12]) = 0
     0.006190 read(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x07\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  07 00 00 00              ........ ....     |
     0.007089 times({tms_utime=113, tms_stime=211, tms_cutime=12, tms_cstime=5}) = 692825
     0.006874 times({tms_utime=113, tms_stime=212, tms_cutime=12, tms_cstime=5}) = 692826
     0.006253 times({tms_utime=113, tms_stime=212, tms_cutime=12, tms_cstime=5}) = 692826
     0.006515 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [8 17], [], {14, 990000}) = 2 (out [8 17], left {14, 990000})
     0.006651 write(8, "AT+CLVL=7\r", 10) = 10
 | 00000  41 54 2b 43 4c 56 4c 3d  37 0d                    AT+CLVL= 7.       |
     0.006696 write(17, "\x01\x07\x04\x00\x00\x00\x00\x00\x03\x00\x00\x00", 12) = 12
 | 00000  01 07 04 00 00 00 00 00  03 00 00 00              ........ ....     |
     0.008037 times({tms_utime=113, tms_stime=212, tms_cutime=12, tms_cstime=5}) = 692829
     0.005879 times({tms_utime=113, tms_stime=212, tms_cutime=12, tms_cstime=5}) = 692830
     0.004332 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], {14, 950000}) = 1 (in [8], left {14, 940000})
     0.007990 ioctl(8, FIONREAD, [6])   = 0
     0.001773 read(8, "\r\nOK\r\n", 6)  = 6
 | 00000  0d 0a 4f 4b 0d 0a                                 ..OK..            |
     0.002725 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [18], [], NULL) = 1 (out [18])
     0.002278 write(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.356180 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [18])
     0.002860 ioctl(18, FIONREAD, [12]) = 0
     0.001738 read(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x06\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  06 00 00 00              ........ ....     |
     0.002552 times({tms_utime=113, tms_stime=212, tms_cutime=12, tms_cstime=5}) = 692868
     0.002354 times({tms_utime=113, tms_stime=212, tms_cutime=12, tms_cstime=5}) = 692868
     0.001693 times({tms_utime=113, tms_stime=212, tms_cutime=12, tms_cstime=5}) = 692868
     0.001700 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [8], [], {15, 0}) = 1 (out [8], left {15, 0})
     0.002320 write(8, "AT+CLVL=6\r", 10) = 10
 | 00000  41 54 2b 43 4c 56 4c 3d  36 0d                    AT+CLVL= 6.       |
     0.002635 times({tms_utime=113, tms_stime=212, tms_cutime=12, tms_cstime=5}) = 692869
     0.001883 times({tms_utime=113, tms_stime=212, tms_cutime=12, tms_cstime=5}) = 692869
     0.001679 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], {14, 990000}) = 1 (in [8], left {14, 960000})
     0.025631 ioctl(8, FIONREAD, [6])   = 0
     0.001756 read(8, "\r\nOK\r\n", 6)  = 6
 | 00000  0d 0a 4f 4b 0d 0a                                 ..OK..            |
     0.002726 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [18], [], NULL) = 1 (out [18])
     0.002319 write(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.012612 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [18])
     0.297400 ioctl(18, FIONREAD, [12]) = 0
     0.006150 read(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x05\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  05 00 00 00              ........ ....     |
     0.007132 times({tms_utime=114, tms_stime=212, tms_cutime=12, tms_cstime=5}) = 692905
     0.006734 times({tms_utime=114, tms_stime=212, tms_cutime=12, tms_cstime=5}) = 692905
     0.006410 times({tms_utime=114, tms_stime=212, tms_cutime=12, tms_cstime=5}) = 692906
     0.005894 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [8], [], {15, 990000}) = 1 (out [8], left {15, 990000})
     0.008046 write(8, "AT+CLVL=5\r", 10) = 10
 | 00000  41 54 2b 43 4c 56 4c 3d  35 0d                    AT+CLVL= 5.       |
     0.007600 times({tms_utime=114, tms_stime=212, tms_cutime=12, tms_cstime=5}) = 692908
     0.004409 times({tms_utime=114, tms_stime=212, tms_cutime=12, tms_cstime=5}) = 692909
     0.001696 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], {14, 960000}) = 1 (in [8], left {14, 950000})
     0.009116 ioctl(8, FIONREAD, [6])   = 0
     0.001761 read(8, "\r\nOK\r\n", 6)  = 6
 | 00000  0d 0a 4f 4b 0d 0a                                 ..OK..            |
     0.002782 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [18], [], NULL) = 1 (out [18])
     0.002273 write(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.037649 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [4])
     0.877429 ioctl(4, FIONREAD, [14])  = 0
     0.006280 read(4, "\r\n+CIEV: 1,4\r\n", 14) = 14
 | 00000  0d 0a 2b 43 49 45 56 3a  20 31 2c 34 0d 0a        ..+CIEV:  1,4..   |
     0.007608 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [17], [], NULL) = 1 (out [17])
     0.006801 write(17, "\x01\x07\x04\x00\x00\x00\x00\x00\x04\x00\x00\x00", 12) = 12
 | 00000  01 07 04 00 00 00 00 00  04 00 00 00              ........ ....     |
     0.051511 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [4])
     0.902964 ioctl(4, FIONREAD, [14])  = 0
     0.006485 read(4, "\r\n+CIEV: 1,5\r\n", 14) = 14
 | 00000  0d 0a 2b 43 49 45 56 3a  20 31 2c 35 0d 0a        ..+CIEV:  1,5..   |
     0.007454 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [17], [], NULL) = 1 (out [17])
     0.006816 write(17, "\x01\x07\x04\x00\x00\x00\x00\x00\x05\x00\x00\x00", 12) = 12
 | 00000  01 07 04 00 00 00 00 00  05 00 00 00              ........ ....     |
     0.066866 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [18])
     1.629657 ioctl(18, FIONREAD, [12]) = 0
     0.006228 read(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x04\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  04 00 00 00              ........ ....     |
     0.007035 times({tms_utime=116, tms_stime=212, tms_cutime=12, tms_cstime=5}) = 693272
     0.007031 times({tms_utime=116, tms_stime=212, tms_cutime=12, tms_cstime=5}) = 693273
     0.005864 times({tms_utime=116, tms_stime=212, tms_cutime=12, tms_cstime=5}) = 693274
     0.006342 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [8], [], {14, 980000}) = 1 (out [8], left {14, 980000})
     0.006960 write(8, "AT+CLVL=4\r", 10) = 10
 | 00000  41 54 2b 43 4c 56 4c 3d  34 0d                    AT+CLVL= 4.       |
     0.007945 times({tms_utime=117, tms_stime=212, tms_cutime=12, tms_cstime=5}) = 693276
     0.005802 times({tms_utime=117, tms_stime=212, tms_cutime=12, tms_cstime=5}) = 693277
     0.006408 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], {14, 950000}) = 1 (in [8], left {14, 940000})
     0.005846 ioctl(8, FIONREAD, [6])   = 0
     0.002284 read(8, "\r\nOK\r\n", 6)  = 6
 | 00000  0d 0a 4f 4b 0d 0a                                 ..OK..            |
     0.002719 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [18], [], NULL) = 1 (out [18])
     0.002271 write(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.019140 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 2 (in [4 18])
     0.375616 ioctl(4, FIONREAD, [14])  = 0
     0.006141 read(4, "\r\n+CIEV: 1,4\r\n", 14) = 14
 | 00000  0d 0a 2b 43 49 45 56 3a  20 31 2c 34 0d 0a        ..+CIEV:  1,4..   |
     0.006914 ioctl(18, FIONREAD, [12]) = 0
     0.006601 read(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x03\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  03 00 00 00              ........ ....     |
     0.006727 times({tms_utime=117, tms_stime=212, tms_cutime=12, tms_cstime=5}) = 693321
     0.006871 times({tms_utime=117, tms_stime=212, tms_cutime=12, tms_cstime=5}) = 693321
     0.006071 times({tms_utime=117, tms_stime=212, tms_cutime=12, tms_cstime=5}) = 693322
     0.006280 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [8 17], [], {15, 990000}) = 2 (out [8 17], left {15, 990000})
     0.164431 write(8, "AT+CLVL=3\r", 10) = 10
 | 00000  41 54 2b 43 4c 56 4c 3d  33 0d                    AT+CLVL= 3.       |
     0.010147 write(17, "\x01\x07\x04\x00\x00\x00\x00\x00\x04\x00\x00\x00", 12) = 12
 | 00000  01 07 04 00 00 00 00 00  04 00 00 00              ........ ....     |
     0.010301 times({tms_utime=117, tms_stime=213, tms_cutime=12, tms_cstime=5}) = 693341
     0.010395 times({tms_utime=117, tms_stime=213, tms_cutime=12, tms_cstime=5}) = 693342
     0.001027 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], {14, 790000}) = 1 (in [8], left {14, 790000})
     0.001604 ioctl(8, FIONREAD, [6])   = 0
     0.001103 read(8, "\r\nOK\r\n", 6)  = 6
 | 00000  0d 0a 4f 4b 0d 0a                                 ..OK..            |
     0.002378 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [18], [], NULL) = 1 (out [18])
     0.001575 write(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.135930 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [18])
     1.419009 ioctl(18, FIONREAD, [12]) = 0
     0.006347 read(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x02\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  02 00 00 00              ........ ....     |
     0.010109 times({tms_utime=117, tms_stime=213, tms_cutime=12, tms_cstime=5}) = 693500
     0.007286 times({tms_utime=118, tms_stime=213, tms_cutime=12, tms_cstime=5}) = 693501
     0.006393 times({tms_utime=118, tms_stime=213, tms_cutime=12, tms_cstime=5}) = 693501
     0.006171 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [8], [], {14, 990000}) = 1 (out [8], left {14, 990000})
     0.007176 write(8, "AT+CLVL=2\r", 10) = 10
 | 00000  41 54 2b 43 4c 56 4c 3d  32 0d                    AT+CLVL= 2.       |
     0.010280 times({tms_utime=119, tms_stime=213, tms_cutime=12, tms_cstime=5}) = 693504
     0.006232 times({tms_utime=119, tms_stime=214, tms_cutime=12, tms_cstime=5}) = 693505
     0.007122 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], {14, 950000}) = 1 (in [8], left {14, 940000})
     0.009714 ioctl(8, FIONREAD, [6])   = 0
     0.008107 read(8, "\r\nOK\r\n", 6)  = 6
 | 00000  0d 0a 4f 4b 0d 0a                                 ..OK..            |
     0.027752 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [18], [], NULL) = 1 (out [18])
     0.006475 write(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.277741 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [18])
     0.007031 ioctl(18, FIONREAD, [12]) = 0
     0.006025 read(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x01\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  01 00 00 00              ........ ....     |
     0.010106 times({tms_utime=119, tms_stime=214, tms_cutime=12, tms_cstime=5}) = 693540
     0.007929 times({tms_utime=119, tms_stime=214, tms_cutime=12, tms_cstime=5}) = 693541
     0.009171 times({tms_utime=119, tms_stime=214, tms_cutime=12, tms_cstime=5}) = 693542
     0.004821 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [8], [], {14, 980000}) = 1 (out [8], left {14, 980000})
     0.005588 write(8, "AT+CLVL=1\r", 10) = 10
 | 00000  41 54 2b 43 4c 56 4c 3d  31 0d                    AT+CLVL= 1.       |
     0.008237 times({tms_utime=119, tms_stime=214, tms_cutime=12, tms_cstime=5}) = 693544
     0.004806 times({tms_utime=119, tms_stime=214, tms_cutime=12, tms_cstime=5}) = 693544
     0.004763 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], {14, 960000}) = 1 (in [8], left {14, 950000})
     0.009398 ioctl(8, FIONREAD, [6])   = 0
     0.001964 read(8, "\r\nOK\r\n", 6)  = 6
 | 00000  0d 0a 4f 4b 0d 0a                                 ..OK..            |
     0.003470 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [18], [], NULL) = 1 (out [18])
     0.002533 write(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.262890 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [18])
     0.002454 ioctl(18, FIONREAD, [12]) = 0
     0.001930 read(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.003418 times({tms_utime=120, tms_stime=214, tms_cutime=12, tms_cstime=5}) = 693574
     0.002502 times({tms_utime=120, tms_stime=214, tms_cutime=12, tms_cstime=5}) = 693574
     0.001886 times({tms_utime=120, tms_stime=214, tms_cutime=12, tms_cstime=5}) = 693574
     0.001906 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [8], [], {15, 0}) = 1 (out [8], left {15, 0})
     0.002508 write(8, "AT+CLVL=0\r", 10) = 10
 | 00000  41 54 2b 43 4c 56 4c 3d  30 0d                    AT+CLVL= 0.       |
     0.003392 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693575
     0.001883 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693575
     0.001907 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], {14, 990000}) = 1 (in [8], left {14, 950000})
     0.037429 ioctl(8, FIONREAD, [6])   = 0
     0.024532 read(8, "\r\nOK\r\n", 6)  = 6
 | 00000  0d 0a 4f 4b 0d 0a                                 ..OK..            |
     0.010295 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [18], [], NULL) = 1 (out [18])
     0.008514 write(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.288951 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [18])
     0.006699 ioctl(18, FIONREAD, [12]) = 0
     0.006814 read(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.010110 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693615
     0.007054 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693615
     0.006116 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693616
     0.006749 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [8], [], {15, 990000}) = 1 (out [8], left {15, 990000})
     0.001673 write(8, "AT+CLVL=0\r", 10) = 10
 | 00000  41 54 2b 43 4c 56 4c 3d  30 0d                    AT+CLVL= 0.       |
     0.001875 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693617
     0.001024 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693617
     0.001023 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], {14, 980000}) = 1 (in [8], left {14, 950000})
     0.046752 ioctl(8, FIONREAD, [6])   = 0
     0.006045 read(8, "\r\nOK\r\n", 6)  = 6
 | 00000  0d 0a 4f 4b 0d 0a                                 ..OK..            |
     0.011256 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [18], [], NULL) = 1 (out [18])
     0.006766 write(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.288667 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [18])
     0.006832 ioctl(18, FIONREAD, [12]) = 0
     0.006280 read(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.010016 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693656
     0.007376 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693656
     0.013129 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693658
     0.003153 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [8], [], {15, 980000}) = 1 (out [8], left {15, 980000})
     0.002501 write(8, "AT+CLVL=0\r", 10) = 10
 | 00000  41 54 2b 43 4c 56 4c 3d  30 0d                    AT+CLVL= 0.       |
     0.003266 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693658
     0.001882 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693658
     0.006520 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], {14, 980000}) = 1 (in [8], left {14, 960000})
     0.016051 ioctl(8, FIONREAD, [6])   = 0
     0.001967 read(8, "\r\nOK\r\n", 6)  = 6
 | 00000  0d 0a 4f 4b 0d 0a                                 ..OK..            |
     0.003476 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [18], [], NULL) = 1 (out [18])
     0.002470 write(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.178350 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [18])
     0.672524 ioctl(18, FIONREAD, [12]) = 0
     0.017154 read(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.007085 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693749
     0.006810 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693750
     0.006231 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693750
     0.006122 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [8], [], {14, 990000}) = 1 (out [8], left {14, 990000})
     0.006895 write(8, "AT+CLVL=0\r", 10) = 10
 | 00000  41 54 2b 43 4c 56 4c 3d  30 0d                    AT+CLVL= 0.       |
     0.006986 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693752
     0.006726 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693753
     0.006318 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], {14, 960000}) = 1 (in [8], left {14, 950000})
     0.010777 ioctl(8, FIONREAD, [6])   = 0
     0.001758 read(8, "\r\nOK\r\n", 6)  = 6
 | 00000  0d 0a 4f 4b 0d 0a                                 ..OK..            |
     0.002719 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [18], [], NULL) = 1 (out [18])
     0.002331 write(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.026786 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [18])
     0.767932 ioctl(18, FIONREAD, [12]) = 0
     0.006257 read(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.007112 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693836
     0.004605 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693837
     0.001047 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693837
     0.001040 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [8], [], {14, 990000}) = 1 (out [8], left {14, 990000})
     0.001635 write(8, "AT+CLVL=0\r", 10) = 10
 | 00000  41 54 2b 43 4c 56 4c 3d  30 0d                    AT+CLVL= 0.       |
     0.001895 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693837
     0.001035 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693837
     0.001049 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], {14, 990000}) = 1 (in [8], left {14, 960000})
     0.024932 ioctl(8, FIONREAD, [6])   = 0
     0.006349 read(8, "\r\nOK\r\n", 6)  = 6
 | 00000  0d 0a 4f 4b 0d 0a                                 ..OK..            |
     0.007228 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [18], [], NULL) = 1 (out [18])
     0.010281 write(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.017460 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [4])
     0.228542 ioctl(4, FIONREAD, [14])  = 0
     0.006385 read(4, "\r\n+CIEV: 1,5\r\n", 14) = 14
 | 00000  0d 0a 2b 43 49 45 56 3a  20 31 2c 35 0d 0a        ..+CIEV:  1,5..   |
     0.007454 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [17], [], NULL) = 1 (out [17])
     0.006813 write(17, "\x01\x07\x04\x00\x00\x00\x00\x00\x05\x00\x00\x00", 12) = 12
 | 00000  01 07 04 00 00 00 00 00  05 00 00 00              ........ ....     |
     0.081156 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [18])
     0.344383 ioctl(18, FIONREAD, [12]) = 0
     0.006152 read(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x01\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  01 00 00 00              ........ ....     |
     0.007047 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693913
     0.006804 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693914
     0.006146 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693914
     0.006239 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [8], [], {14, 990000}) = 1 (out [8], left {14, 990000})
     0.001876 write(8, "AT+CLVL=1\r", 10) = 10
 | 00000  41 54 2b 43 4c 56 4c 3d  31 0d                    AT+CLVL= 1.       |
     0.001896 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693915
     0.001045 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 693915
     0.001044 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], {14, 980000}) = 1 (in [8], left {14, 950000})
     0.025948 ioctl(8, FIONREAD, [6])   = 0
     0.005837 read(8, "\r\nOK\r\n", 6)  = 6
 | 00000  0d 0a 4f 4b 0d 0a                                 ..OK..            |
     0.007468 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [18], [], NULL) = 1 (out [18])
     0.006963 write(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.023925 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [4])
     0.405397 ioctl(4, FIONREAD, [14])  = 0
     0.006373 read(4, "\r\n+CIEV: 1,4\r\n", 14) = 14
 | 00000  0d 0a 2b 43 49 45 56 3a  20 31 2c 34 0d 0a        ..+CIEV:  1,4..   |
     0.007361 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [17], [], NULL) = 1 (out [17])
     0.006819 write(17, "\x01\x07\x04\x00\x00\x00\x00\x00\x04\x00\x00\x00", 12) = 12
 | 00000  01 07 04 00 00 00 00 00  04 00 00 00              ........ ....     |
     0.090122 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [18])
     0.307336 ioctl(18, FIONREAD, [12]) = 0
     0.006103 read(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x02\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  02 00 00 00              ........ ....     |
     0.007086 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 694006
     0.006851 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 694007
     0.007422 times({tms_utime=120, tms_stime=215, tms_cutime=12, tms_cstime=5}) = 694007
     0.006274 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [8], [], {14, 990000}) = 1 (out [8], left {14, 990000})
     0.006906 write(8, "AT+CLVL=2\r", 10) = 10
 | 00000  41 54 2b 43 4c 56 4c 3d  32 0d                    AT+CLVL= 2.       |
     0.006968 times({tms_utime=120, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694010
     0.006587 times({tms_utime=120, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694010
     0.006294 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], {14, 960000}) = 1 (in [8], left {14, 950000})
     0.009536 ioctl(8, FIONREAD, [6])   = 0
     0.001762 read(8, "\r\nOK\r\n", 6)  = 6
 | 00000  0d 0a 4f 4b 0d 0a                                 ..OK..            |
     0.002725 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [18], [], NULL) = 1 (out [18])
     0.002319 write(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.004877 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [18])
     0.307078 ioctl(18, FIONREAD, [12]) = 0
     0.006275 read(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x03\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  03 00 00 00              ........ ....     |
     0.006902 times({tms_utime=120, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694045
     0.006740 times({tms_utime=120, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694046
     0.006143 times({tms_utime=120, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694046
     0.017424 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [8], [], {14, 990000}) = 1 (out [8], left {14, 990000})
     0.007108 write(8, "AT+CLVL=3\r", 10) = 10
 | 00000  41 54 2b 43 4c 56 4c 3d  33 0d                    AT+CLVL= 3.       |
     0.010477 times({tms_utime=121, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694050
     0.006372 times({tms_utime=121, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694051
     0.006194 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], {14, 940000}) = 1 (in [8], left {14, 930000})
     0.009666 ioctl(8, FIONREAD, [6])   = 0
     0.006145 read(8, "\r\nOK\r\n", 6)  = 6
 | 00000  0d 0a 4f 4b 0d 0a                                 ..OK..            |
     0.007599 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [18], [], NULL) = 1 (out [18])
     0.006812 write(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.022840 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [18])
     0.278583 ioctl(18, FIONREAD, [12]) = 0
     0.004616 read(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x04\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  04 00 00 00              ........ ....     |
     0.002514 times({tms_utime=121, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694085
     0.002283 times({tms_utime=121, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694085
     0.001682 times({tms_utime=121, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694085
     0.001687 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [8], [], {15, 0}) = 1 (out [8], left {15, 0})
     0.002426 write(8, "AT+CLVL=4\r", 10) = 10
 | 00000  41 54 2b 43 4c 56 4c 3d  34 0d                    AT+CLVL= 4.       |
     0.002560 times({tms_utime=121, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694086
     0.001679 times({tms_utime=121, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694086
     0.001682 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], {14, 990000}) = 1 (in [8], left {14, 960000})
     0.026958 ioctl(8, FIONREAD, [6])   = 0
     0.006179 read(8, "\r\nOK\r\n", 6)  = 6
 | 00000  0d 0a 4f 4b 0d 0a                                 ..OK..            |
     0.007506 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [18], [], NULL) = 1 (out [18])
     0.008150 write(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.031418 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [18])
     0.298045 ioctl(18, FIONREAD, [12]) = 0
     0.006083 read(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x05\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  05 00 00 00              ........ ....     |
     0.006902 times({tms_utime=121, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694125
     0.006729 times({tms_utime=121, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694126
     0.006270 times({tms_utime=121, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694127
     0.006052 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [8], [], {14, 980000}) = 1 (out [8], left {14, 980000})
     0.006955 write(8, "AT+CLVL=5\r", 10) = 10
 | 00000  41 54 2b 43 4c 56 4c 3d  35 0d                    AT+CLVL= 5.       |
     0.007369 times({tms_utime=121, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694129
     0.006327 times({tms_utime=121, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694129
     0.006151 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], {14, 960000}) = 1 (in [8], left {14, 950000})
     0.008112 ioctl(8, FIONREAD, [6])   = 0
     0.001905 read(8, "\r\nOK\r\n", 6)  = 6
 | 00000  0d 0a 4f 4b 0d 0a                                 ..OK..            |
     0.002722 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [18], [], NULL) = 1 (out [18])
     0.002265 write(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.018820 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [18])
     0.316382 ioctl(18, FIONREAD, [12]) = 0
     0.006097 read(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x06\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  06 00 00 00              ........ ....     |
     0.007109 times({tms_utime=121, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694166
     0.006466 times({tms_utime=121, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694167
     0.006619 times({tms_utime=121, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694168
     0.006038 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [8], [], {14, 980000}) = 1 (out [8], left {14, 980000})
     0.006601 write(8, "AT+CLVL=6\r", 10) = 10
 | 00000  41 54 2b 43 4c 56 4c 3d  36 0d                    AT+CLVL= 6.       |
     0.007161 times({tms_utime=121, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694170
     0.006763 times({tms_utime=121, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694170
     0.006683 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], {14, 960000}) = 1 (in [8], left {14, 950000})
     0.010146 ioctl(8, FIONREAD, [6])   = 0
     0.006680 read(8, "\r\nOK\r\n", 6)  = 6
 | 00000  0d 0a 4f 4b 0d 0a                                 ..OK..            |
     0.009693 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [18], [], NULL) = 1 (out [18])
     0.006636 write(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.316218 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [18])
     0.006651 ioctl(18, FIONREAD, [12]) = 0
     0.007829 read(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x07\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  07 00 00 00              ........ ....     |
     0.010036 times({tms_utime=121, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694209
     0.006991 times({tms_utime=121, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694209
     0.005986 times({tms_utime=121, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694210
     0.006417 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [8], [], {15, 990000}) = 1 (out [8], left {15, 990000})
     0.007153 write(8, "AT+CLVL=7\r", 10) = 10
 | 00000  41 54 2b 43 4c 56 4c 3d  37 0d                    AT+CLVL= 7.       |
     0.010780 times({tms_utime=121, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694212
     0.005904 times({tms_utime=121, tms_stime=216, tms_cutime=12, tms_cstime=5}) = 694213
     0.006233 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], {14, 960000}) = 1 (in [8], left {14, 960000})
     0.007102 ioctl(8, FIONREAD, [6])   = 0
     0.006369 read(8, "\r\nOK\r\n", 6)  = 6
 | 00000  0d 0a 4f 4b 0d 0a                                 ..OK..            |
     0.010064 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [18], [], NULL) = 1 (out [18])
     0.006776 write(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.021309 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [18])
     0.673467 ioctl(18, FIONREAD, [12]) = 0
     0.006194 read(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x07\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  07 00 00 00              ........ ....     |
     0.007123 times({tms_utime=122, tms_stime=218, tms_cutime=12, tms_cstime=5}) = 694287
     0.004308 times({tms_utime=122, tms_stime=218, tms_cutime=12, tms_cstime=5}) = 694288
     0.006369 times({tms_utime=122, tms_stime=218, tms_cutime=12, tms_cstime=5}) = 694288
     0.005898 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [8], [], {14, 990000}) = 1 (out [8], left {14, 990000})
     0.006805 write(8, "AT+CLVL=7\r", 10) = 10
 | 00000  41 54 2b 43 4c 56 4c 3d  37 0d                    AT+CLVL= 7.       |
     0.007620 times({tms_utime=122, tms_stime=218, tms_cutime=12, tms_cstime=5}) = 694290
     0.005801 times({tms_utime=122, tms_stime=218, tms_cutime=12, tms_cstime=5}) = 694291
     0.001687 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], {14, 960000}) = 1 (in [8], left {14, 950000})
     0.013170 ioctl(8, FIONREAD, [6])   = 0
     0.006430 read(8, "\r\nOK\r\n", 6)  = 6
 | 00000  0d 0a 4f 4b 0d 0a                                 ..OK..            |
     0.007508 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [18], [], NULL) = 1 (out [18])
     0.007783 write(18, "\x16\x86\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00", 12) = 12
 | 00000  16 86 04 00 00 00 00 00  00 00 00 00              ........ ....     |
     0.096034 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL) = 1 (in [4])
     1.388783 ioctl(4, FIONREAD, [14])  = 0
     0.006275 read(4, "\r\n+CIEV: 1,5\r\n", 14) = 14
 | 00000  0d 0a 2b 43 49 45 56 3a  20 31 2c 35 0d 0a        ..+CIEV:  1,5..   |
     0.007611 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [17], [], NULL) = 1 (out [17])
     0.014475 write(17, "\x01\x07\x04\x00\x00\x00\x00\x00\x05\x00\x00\x00", 12) = 12
 | 00000  01 07 04 00 00 00 00 00  05 00 00 00              ........ ....     |
     0.075043 select(31, [4 5 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 25 26 27 28], [], [], NULL