r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000080)={0xa, 0x0, 0x0, @empty}, 0x1c)
sendmmsg$sock(r0, &(0x7f00000046c0)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0)
readv(r0, &(0x7f00000002c0)=[{&(0x7f00000000c0)=""/129, 0x81}], 0x1)