r0 = socket$inet6_udp(0xa, 0x2, 0x0)
openat$vcs(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
sigaltstack(&(0x7f0000ffc000/0x4000)=nil, 0x0)
mlock2(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x0)
accept(r0, 0x0, 0x0)
socket$inet6(0xa, 0x1, 0x6)