r0 = socket$inet(0x2, 0x80003, 0xff)
sendmsg$inet(r0, &(0x7f0000001600)={&(0x7f0000000040)={0x2, 0x0, @multicast2}, 0x10, 0x0, 0x0, &(0x7f0000001540)=[@ip_retopts={{0x10}}], 0x10}, 0x0)