Add find tests and remove panic in DEBUG
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
Merge pull request #4452 from crosbymichael/small-fixes-to-libcontainer

Add find tests and remove panic in DEBUG
Change veth prefix back to veth

Fixes #4453
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
Merge pull request #4456 from crosbymichael/change-veth-name

Change veth prefix back to veth