DEL can be called multiple times, a plugin should return no error if
the device is already removed, and other errors should be returned. It
was the opposite for vlan plugin. This PR fixes it.
Signed-off-by: Quan Tian <qtian@vmware.com>
Now that libcni has the ability to print a version message, plumb it
through correctly.
While we're at it,
- fix import paths
- run gofmt
- add some more comments to sample
- add container runtime swappability for release
host-local and static ipam plugins
tuning, bandwidth and portmap meta plugins
Utility functions created for common PrevResult checking
Fix windows build
