There is a problem we discussed on forum:
https://forum.vyos.io/t/vyos-1-2-traffic-policy-shaper-match-interface-not-working/8389?u=kirvio
In short, our "shaper match interface" worked on VC6.6R1, but when we migrated onto VyOS1.2(crux) it stopped.
Match ethernet source does not work as well.