r0 = socket$inet6_udplite(0xa, 0x2, 0x88)
connect$inet6(r0, &(0x7f0000000080)={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @empty}}, 0x1c)
setsockopt$inet6_IPV6_ADDRFORM(r0, 0x29, 0x43, &(0x7f0000006340), 0x4)