r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000600)={0xa, 0x0, 0x0, @empty}, 0x1c)
sendmmsg$inet6(r0, &(0x7f0000001b40)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0, 0x0, &(0x7f0000000940)=[@pktinfo={{0x23, 0x29, 0x32, {@mcast2}}}], 0x28}}], 0x2, 0x0)