We are using 40G QSFP+ (MPO) to 4x10G SFP+ modules and noticed that IPv6 BFD connections up are on :0 subpic (just one exception on xe-0/0/22:3.0). aeX interfaces are LACP bundles og 40G lines
fe80::208:e3ff:feff:fc04 Down xe-0/0/21:3.0 0.900 1.000 4 aaa fe80::21e:beff:fe8b:26c0 Up xe-0/0/22:3.0 0.900 0.300 4 bbb fe80::22fd:f1ff:fec9:28cb Up xe-0/0/18:0.0 2.000 0.400 4 ccc fe80::ce3e:5fff:fe0e:a599 Down xe-0/0/18:1.0 2.000 1.000 4 ddd fe80::ce3e:5fff:fe0e:ae24 Down xe-0/0/20:3.0 2.000 1.000 4 eee fe80::d27e:28ff:feef:8cc6 Down xe-0/0/19:1.0 2.000 1.000 4 fff fe80::d27e:28ff:feef:9092 Down xe-0/0/21:1.0 0.000 2.000 4 ggg fe80::d27e:28ff:feef:9c47 Down xe-0/0/19:2.0 2.000 1.000 4 hhh fe80::d27e:28ff:feef:aad5 Down xe-0/0/19:3.0 2.000 1.000 4 jjj fe80::d27e:28ff:feef:ac6a Down xe-0/0/20:2.0 2.000 1.000 4 kkk fe80::d27e:28ff:feef:af94 Down xe-0/0/18:3.0 2.000 1.000 4 lll fe80::d27e:28ff:feef:b21c Down xe-0/0/20:1.0 0.000 2.000 4 mmm fe80::d27e:28ff:feef:b2be Up xe-0/0/19:0.0 1.500 0.400 4 nnn fe80::d27e:28ff:feef:b453 Up xe-0/0/20:0.0 2.000 0.400 4 ooo fe80::d27e:28ff:feef:b4a4 Down xe-0/0/18:2.0 2.000 1.000 4 ppp fe80::ee13:dbff:fe93:f7b0 Up ae0.0 1.200 0.300 4 qqq fe80::ee13:dbff:fe94:47b0 Up ae2.0 1.200 0.300 4 rrr fe80::ee13:dbff:fe94:88b0 Up ae1.0 1.200 0.300 4 sss fe80::f6cc:55ff:fee9:6f0 Up ae3.0 1.200 0.300 4 uuu fe80::f6cc:55ff:fee9:10f0 Up ae4.0 1.200 0.300 4 vvvv fe80::d27e:28ff:feef:936b Up xe-0/0/21:0.0 2.000 0.400 4 tttt