r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000000080)={0x0, 0x8000}, 0x4) r1 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r1, &(0x7f0000000100)={0xa, 0x0, 0x0, @remote, 0x2}, 0x1c) sendmsg$inet(r1, &(0x7f00000000c0)={&(0x7f0000000180)={0x2, 0x4e21, @multicast1}, 0x10, 0x0}, 0x8004) r2 = fcntl$dupfd(r1, 0x0, r1) sendmsg$inet6(r2, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)=[{&(0x7f0000000bc0)='+', 0x1fc0}], 0x1}, 0x0)