r0 = socket$inet_udp(0x2, 0x2, 0x0)
r1 = socket$packet(0x11, 0x3, 0x300)
setsockopt$packet_tx_ring(r1, 0x107, 0x5, &(0x7f0000000000)=@req3={0x1000, 0x1, 0x400, 0x4}, 0x1c)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000140)={'sit0\x00', <r2=>0x0})
sendmmsg$inet(r0, &(0x7f0000000640)=[{{&(0x7f0000000040)={0x2, 0x4e23, @multicast2=0xac1414bb}, 0x10, 0x0, 0x0, &(0x7f00000005c0)=[@ip_pktinfo={{0x1c, 0x0, 0x8, {r2, @remote, @private}}}], 0x20}}], 0x1, 0x0)