/usr/src/openvswitch-1.4.0/debian/ovsdbmonitor.manpages is in openvswitch-datapath-dkms 1.4.0-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1
ovsdb/ovsdbmonitor/ovsdbmonitor.1