# strace -s 1024 -p 24940
strace: Process 24940 attached
restart_syscall(<... resuming interrupted poll ...>) = 1
recvmsg(6, {msg_name={sa_family=AF_INET, sin_port=htons(39588),
sin_addr=inet_addr("192.168.100.221")}, msg_namelen=28->16,
msg_iov=[{iov_base="\215!\1
\0\1\0\0\0\0\0\1\20sumptuouscapital\3com\0\0\1\0\1\0\0)\20\0\0\0\0\0\0\f\0\n\0\10{\232w\201\277\276\316\354",
iov_len=4096}], msg_iovlen=1, msg_control=[{cmsg_len=28, cmsg_level=SOL_IP,
cmsg_type=IP_PKTINFO, cmsg_data={ipi_ifindex=if_nametoindex("virbr1"),
ipi_spec_dst=inet_addr("192.168.100.1"),
ipi_addr=inet_addr("192.168.100.1")}}], msg_controllen=32, msg_flags=0}, 0) =
61
ioctl(6, SIOCGIFNAME, {ifr_index=11, ifr_name="virbr1"}) = 0
sendmsg(6, {msg_name={sa_family=AF_INET, sin_port=htons(39588),
sin_addr=inet_addr("192.168.100.221")}, msg_namelen=16,
msg_iov=[{iov_base="\215!\201\245\0\1\0\0\0\0\0\0\20sumptuouscapital\3com\0\0\1\0\1",
iov_len=38}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 38
poll([{fd=3, events=POLLIN}, {fd=4, events=POLLIN}, {fd=5, events=POLLIN},
{fd=6, events=POLLIN}, {fd=7, events=POLLIN}, {fd=8, events=POLLIN}], 6,
-1^Cstrace: Process 24940 detached
 <detached ...>