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I upgraded Fedora23 which installed kernel 4.6.4 which in turn required VirtualBox 5.1.2 which in turn required Vagrant 1.8.5. Workaround for a change in Vagrant 1.8.5 that breaks Centos. The newer version of Vagrant doesn't chmod the ssh directory before trying to copy new public key during installs. This will be fixed upstream in Vagrant 1.8.6. Bug doesn't affect Ubuntu because it uses a different umask whereas Centos uses 0002. Change-Id: I8108d4cc208fc47fa69f8a5cf27b2bba7e34293e Signed-off-by: Thomas F Herbert <therbert@redhat.com>