r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000540)={0xa, 0x0, 0x0, @dev, 0x4}, 0x1c)
sendmsg$inet6(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0xa, 0x4e23, 0x0, @ipv4={'\x00', '\xff\xff', @remote}}, 0x1c, 0x0}, 0x8800)
sendmmsg$inet6(r0, &(0x7f0000000280)=[{{0x0, 0x0, &(0x7f0000001600)=[{&(0x7f0000000580)='I', 0x1}], 0x1}}], 0x1, 0x0)