File: //proc/net/dev_mcast
2 eno0 1 0 333300000001
2 eno0 1 0 01005e000001
2 eno0 1 0 3333ffaacb7e
2 eno0 1 0 3333ff000001
2 eno0 1 0 01005e0000fb
2 eno0 1 0 0180c2000000
2 eno0 1 0 0180c2000003
2 eno0 1 0 0180c200000e
3 docker0 1 0 333300000001
3 docker0 1 0 01005e00006a
3 docker0 1 0 33330000006a
3 docker0 1 0 01005e000001
4 br-f906fe4b5f04 1 0 333300000001
4 br-f906fe4b5f04 1 0 01005e00006a
4 br-f906fe4b5f04 1 0 33330000006a
4 br-f906fe4b5f04 1 0 01005e000001
5 br-21c7f6b0fb1f 1 0 333300000001
5 br-21c7f6b0fb1f 1 0 01005e00006a
5 br-21c7f6b0fb1f 1 0 33330000006a
5 br-21c7f6b0fb1f 1 0 01005e000001