Description of problem:
It should be possible to create a router independently from the current context of oc.

How reproducible:
100%

Steps to Reproduce:

# oc project openshift-infra
# oadm router router \
  --credentials=/etc/origin/master/openshift-router.kubeconfig \
  --service-account=router
error: router could not be created; unable to validate service account,
       host ports are forbidden
# oadm router router \
  --credentials=/etc/origin/master/openshift-router.kubeconfig \
  --service-account=router \
  --host-network=false
error: router could not be created; unable to validate service account,
       host ports are forbidden

# oc project default
# oadm router router \
  --credentials=/etc/origin/master/openshift-router.kubeconfig \
  --service-account=router
(success)

Actual results:
The router creation depends on the current context (project).

Expected results:
It should be possible to create a router independently from the current context (project).
(More info in the upstream issue, see below).

Additional info:
This may be relevant for registry and ipfailover as well (and other?).

Upstream issue:

https://github.com/openshift/origin/issues/6248