he: Unhandled monitoring loop exceptions must be logged
he: Unhandled monitoring loop exceptions must be logged

Monitoring loop should not throw any exception, but in case
it happens, it is better to log that exception for post-mortem
analysis, then to swallow it.

Change-Id: Iff8528a492f424df6930087b09c2126d537cc170
Signed-off-by: Denis Chaplygin <c9765bc4e17067a9b371ba0697b416c9f2022720@redhat.com>

oVirt/ovirt-hosted-engine-ha,oVirt/ovirt-hosted-engine-ha,oVirt/ovirt-hosted-engine-ha,oVirt/ovirt-hosted-engine-ha