r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000540)={0xa, 0x0, 0x0, @dev, 0x2}, 0x1c)
connect$inet6(r0, &(0x7f0000000080)={0xa, 0x4ea0, 0x0, @ipv4={'\x00', '\xff\xff', @multicast2}}, 0x1c)
r1 = dup2(r0, r0)
sendmsg$unix(r1, &(0x7f00000008c0)={0x0, 0x0, 0x0, 0x0, &(0x7f00000002c0)=[@rights={{0x10}}], 0x10}, 0x0)