Issue with oracle monitors

We have a number of health monitors setup. All of the sudden at 8:13 in the morning all the oracle monitors for a variety of different servers and databases are all failing. In the DBDaemon.log this is the last thing written: Thread-1099): Hung Connection. Aborting.

Nothing in the log since. So I think the entire sql monitoring process on the F5 has died. The redundant unit seems to still be writing to the log without issue. This is the second time this has happened.

Is there way to restart this service or do I need to bounce the unit? Anyone ever encountered this before? We are running 11.4.1.

thanks - Alex