r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
r1 = getpgrp(0x0)
sendmsg$netlink(r0, &(0x7f0000004100)={0x0, 0x0, &(0x7f0000003d00)=[{&(0x7f0000003440)={0x10}, 0x10}], 0x1, &(0x7f0000003fc0)=[@cred={{0x1c, 0x1, 0x2, {r1}}}], 0x20}, 0x0)