mtn: warning: 1 conflict with no supported resolutions.
mtn: conflict: multiple values for attribute 'foo' on file 'simple_file' from revision 30c20be14d4d18c404bc4c121bb0232c9c9b975f
mtn: set to '1' on left file 'simple_file'
mtn: set to '2' on right file 'simple_file'
