r0 = socket$inet6_udp(0xa, 0x2, 0x0)
sendmmsg$inet(r0, &(0x7f00000041c0)=[{{&(0x7f0000000000)={0x2, 0x4e23, @multicast2}, 0x10, 0x0, 0x0, &(0x7f0000001740)=[@ip_retopts={{0x2c, 0x0, 0x7, {[@timestamp_addr={0x44, 0x1c, 0x19, 0x1, 0x0, [{@loopback}, {@dev}, {@loopback}]}]}}}], 0x30}}], 0x1, 0x0)