This change aims to make installations more unified and reliable. It
introduces the concept of a mountpoint manager that is capable of
mounting, unmounting, and moving a set of mountpoints in the correct
order.
Signed-off-by: Andrew Rynhard <andrew@andrewrynhard.com>
This PR will fix a bug we encountered in GCE, where the interface was
already up and the MTU value wasn't getting set.
Signed-off-by: Spencer Smith <robertspencersmith@gmail.com>