r0 = socket$inet(0x2, 0x3, 0xff)
sendmmsg$inet(r0, &(0x7f0000000580)=[{{&(0x7f0000000100)={0x2, 0x0, @multicast2}, 0x10, &(0x7f0000000240)=[{&(0x7f0000000180)="21628caa0e9efa30a5690000919268367c01f7da", 0x14}], 0x1, &(0x7f0000000380)=[@ip_pktinfo={{0x1c, 0x0, 0x8, {0x0, @remote, @loopback}}}], 0x20}}], 0x1, 0x0)