Avoid logged exception disconnecting the manager.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/vfs@1452312 13f79535-47bb-0310-9956-ffa450edef68
Avoid logged exception disconnecting the manager.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/vfs@1452314 13f79535-47bb-0310-9956-ffa450edef68