Bug 1418982 - Vagrant: Hide expected warnings during provision (#2964)
Bug 1418982 - Vagrant: Hide expected warnings during provision (#2964)

To reduce the potential for contributors thinking the provision
didn't complete successfully.
edmorley/treeherder,KWierso/treeherder,KWierso/treeherder,edmorley/treeherder,edmorley/treeherder,KWierso/treeherder,KWierso/treeherder,edmorley/treeherder