0.000014 restart_syscall(<... resuming interrupted call ...>) = 0
     0.000003 shutdown(85, SHUT_WR)     = 0
     0.000010 poll([{fd=85, events=POLLIN}], 1, 2000) = 0 (Timeout)
     0.169598 close(85)                 = 0
     0.000654 read(9, 0x7ffed2f4d07f, 1) = -1 EAGAIN (Resource temporarily unavailable)
     0.000691 semop(50200576, {{0, -1, SEM_UNDO}}, 1) = 0
     0.000052 epoll_wait(82, {{EPOLLIN, {u32=3141675888, u64=140306838334320}}}, 4, 10000) = 1
     0.002650 accept4(3, {sa_family=AF_INET, sin_port=htons(4557), sin_addr=inet_addr("xxx.xxx.xxx.xxx")}, [16], SOCK_CLOEXEC) = 85
     0.000190 semop(50200576, {{0, 1, SEM_UNDO}}, 1) = 0
     0.000012 getsockname(85, {sa_family=AF_INET, sin_port=htons(80), sin_addr=inet_addr("xxx.xxx.xxx.xxx")}, [16]) = 0
     0.000158 fcntl(85, F_GETFL)        = 0x2 (flags O_RDWR)
     0.000083 fcntl(85, F_SETFL, O_RDWR|O_NONBLOCK) = 0