r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @local}}, 0x1c)
sendmmsg$inet6(r0, &(0x7f0000005ec0)=[{{&(0x7f0000000800)={0xa, 0x4e21, 0x0, @empty}, 0x1c, 0x0}}, {{&(0x7f0000001940)={0xa, 0x4e23, 0x0, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}, 0x1c, 0x0, 0x0, &(0x7f0000001ac0)=[@tclass={{0x14, 0x29, 0x43, 0xfffffffc}}], 0x18}}], 0x2, 0x0)