r0 = socket$inet6_udp(0xa, 0x2, 0x0) sendmsg$inet6(r0, &(0x7f0000000180)={&(0x7f0000000000)={0xa, 0x4e21, 0x0, @ipv4={'\x00', '\xff\xff', @initdev={0xac, 0x1e, 0x0, 0x0}}}, 0x1c, 0x0, 0x0, &(0x7f0000000240)=[@pktinfo={{0x23, 0x29, 0x32, {@ipv4={'\x00', '\xff\xff', @dev}}}}], 0x28, 0xfffffdef}, 0x0)