r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000540)={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @dev={0xac, 0x14, 0x14, 0x2a}}}, 0x1c)
sendmmsg$inet6(r0, &(0x7f0000000780)=[{{&(0x7f0000000040)={0xa, 0x4e21, 0x0, @rand_addr=' \x01\x00'}, 0x1c, 0x0, 0x0, &(0x7f0000000740)=[@flowinfo={{0x14, 0x29, 0xb, 0x9}}, @pktinfo={{0x24, 0x29, 0x32, {@loopback}}}], 0x40}}], 0x1, 0x0)