r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast2, 0x5}, 0x1c)
sendmmsg$inet6(r0, &(0x7f0000001680)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0, 0x0, &(0x7f0000001600)=[@flowinfo={{0x14, 0x29, 0xb, 0x10000}}, @flowinfo={{0x14, 0x29, 0xb, 0xffffffc1}}], 0x30}}], 0x2, 0x0)