r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c)
sendmmsg$inet6(r0, &(0x7f0000004c80)=[{{&(0x7f0000000040)={0xa, 0x4e21, 0x0, @loopback}, 0x1c, 0x0}}, {{0x0, 0x0, 0x0, 0x0, &(0x7f0000001780)=[@flowinfo={{0x14, 0x29, 0xb, 0x9}}, @flowinfo={{0x14}}], 0x30}}], 0x2, 0x0)