Fix error raising interface 88/5588/1
authorAdam Israel <adam.israel@canonical.com>
Mon, 16 Oct 2017 18:46:29 +0000 (14:46 -0400)
committerAdam Israel <adam.israel@canonical.com>
Mon, 16 Oct 2017 18:46:29 +0000 (14:46 -0400)
Don't fail if there's an error raising the interface. I'm seeing this
happen because the interface is already up.

Signed-off-by: Adam Israel <adam.israel@canonical.com>

No differences found