r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000001340)={0xa, 0x0, 0x0, @loopback}, 0x1c)
sendmmsg$inet6(r0, &(0x7f0000003140)=[{{0x0, 0x0, 0x0}}], 0x1, 0x400c000)
sendmmsg$inet6(r0, &(0x7f0000000700)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0, 0x0, &(0x7f0000000480)=[@pktinfo={{0x24, 0x29, 0x32, {@ipv4={'\x00', '\xff\xff', @empty}}}}], 0x28}}], 0x2, 0x0)