There has been change made in vpp startup configuration:
https://git.fd.io/cgit/vpp/commit/?id=c68b4cbf3aa1ea9f7e0f09ff4725feb92170c10f
semiweekly failed due to this change:
https://jenkins.fd.io/view/csit/job/csit-vpp-master-verify-semiweekly/10/console