open("/proc/net/tcp", O_RDONLY)         = 3
read(3, "  sl  local_address rem_address   st tx_queue rx_queue tr tm->when retrnsmt   uid  timeout inode                                                     \n   0: 00000000:2742 00000000:0000 0A 00000000:00000000 00:00000000 00000000   522        0 164675643 1 ffff810029bd0080 3000 0 0 2 -1                \n   1: 00000000:17A3 00000000:0000 0A 00000000:00000000 00:00000000 00000000     0        0 7408 1 ffff81006c5d4080 3000 0 0 2 -1                     \n   2: 00000000:0050 00000000:0000 0A 00000000:00000000 02:00000008 00000000     0        0 165986305 2 ffff81005b318d00 3000 0 0 2 -1                \n   3: 4664A8C0:0050 99C3BF5C:B401 03 00000000:00000000 01:000001AC 00000001     0        0 0 2 ffff81000f130a40                                      \n   4: 4664A8C0:0050 28C73255:92D5 03 00000000:00000000 01:000006FC 00000003     0        0 0 2 ffff81000f130cc0                                      \n   5: 4664A8C0:0050 DA6B3B53:B37F 03 00000000:00000000 01:0000024C 00000001     0        0 0 2 ffff81004cc0ae40                                      \n   6: 4664A8C0:0050 17240051:A282 03 00000000:00000000 01:00000418 00000003     0        0 0 2 ffff81006498edc0                                      \n   7: 4664A8C0:0050 3AE72751:B7BB 03 00000000:00000000 01:00001227 00000004     0        0 0 2 ffff81004cc0a2c0                                      \n   8: 4664A8C0:0050 0D061258:C892 03 00000000:00000000 01:000001C0 00000001     0        0 0 2 ffff81006498ec40                                      \n   9: 4664A8C0:0050 DF3C8FD5:951E 03 00000000:00000000 01:1AD7F29ABBD 00000000     0        0 0 2 ffff81004cc0a140                                   \n  10: 4664A8C0:0050 93037D57:A476 03 00000000:00000000 01:000004A2 00000004     0        0 0 2 ffff81004cc0a9c0                                      \n  11: 4664A8C0:0050 4BC11558:7E5F 03 00000000:00000000 01:00000D77 00000004     0        0 0 2 ffff81006498ed40                                      \n  12: 4664A8C0:0050 94B6831F:B7D0 03 00000000:00000000 01:1AD7F29AB79 00000000     0        0 0 2 ffff81000f130440                                   \n  13: 4664A8C0:0050 E7242D51:D764 03 00000000:00000000 01:0000110F 00000004     0        0 0 2 ffff81000f130bc0                                      \n  14: 4664A8C0:0050 4188062E:B01B 03 00000000:00000000 01:0000001C 00000002     0        0 0 2 ffff81004cc0a940                                      \n  15: 4664A8C0:0050 94B6831F:B7D1 03 00000000:00000000 01:1AD7F29AB7D 00000000     0        0 0 2 ffff81006498eec0                                   \n  16: 4664A8C0:0050 4BC11558:7E5E 03 00000000:00000000 01:00000D9F 00000004     0        0 0 2 ffff81000f1307c0                                      \n  17: 4664A8C0:0050 5BC11758:BEF7 03 00000000:00000000 01:000008D8 00000005     0        0 0 2 ffff81004cc0a440                                      \n  18: 4664A8C0:0050 482F2C51:3552 03 00000000:00000000 01:0000015C 00000001     0        0 0 2 ffff81004cc0acc0                                      \n  19: 4664A8C0:0050 17240051:A27F 03 00000000:00000000 01:000003B3 00000003     0        0 0 2 ffff81004cc0a5c0                                      \n  20: 4664A8C0:0050 92572F8B:7A21 03 00000000:00000000 01:000003B4 00000002     0        0 0 2 ffff81000f130340                                      \n  21: 4664A8C0:0050 17240051:A280 03 00000000:00000000 01:000003B3 00000003     0        0 0 2 ffff81004cc0a8c0                                      \n  22: 4664A8C0:0050 C1DC9B4F:AF05 03 00000000:00000000 01:000000E4 00000001     0        0 0 2 ffff81004cc0af40                                      \n  23: 4664A8C0:0050 17240051:A283 03 00000000:00000000 01:000003C8 00000003     0        0 0 2 ffff81000f130d40                                      \n  24: 4664A8C0:0050 4BC11558:7E5D 03 00000000:00000000 01:00000DC7 00000004     0        0 0 2 ffff81006498e9c0                                      \n  25: 4664A8C0:0050 66ADA25A:8DE8 03 00000000:00000000 01:000002B0 00000002     0        0 0 2 ffff81004cc0a4c0                                      \n", 65536) = 4050
close(3)                                = 0
open("/proc/net/tcp6", O_RDONLY)        = -1 ENOENT (No such file or directory)
write(1, "net.tcp.listen[443]                           [u|0]\n", 52net.tcp.listen[443]                           [u|0]