freebsd stable - Feb 2018 - VM image for 11.1-STABLE exhibiting same problem as 12.0-CURRENT. MFC?

VM image for 11.1-STABLE began exhibiting same dislike for USB 3.0
ports as problem reported in PR 225794 for 12.0-CURRENT.

Prior to FreeBSD-11.1-STABLE-amd64-20180215-r329320.vmdk.xz no such
problem was observed.