r0 = socket$inet6_udp(0xa, 0x2, 0x0)
sendmmsg$inet(r0, &(0x7f0000000d80)=[{{&(0x7f0000000300)={0x2, 0x4e24, @dev}, 0x10, 0x0, 0x0, &(0x7f0000000500)=[@ip_retopts={{0x24, 0x0, 0x7, {[@timestamp_addr={0x44, 0x14, 0x8, 0x1, 0x0, [{@multicast1}, {@multicast2}]}]}}}], 0x28}}], 0x1, 0x0)