Fix two important typos in watchdog handling:
Fix two important typos in watchdog handling:

- Restart watchdog if we *did* processed any descriptors. [1]
- Log the watchdog event if the link is *up*. [2]

PR:		kern/92948 [1]
Submitted by:	Mihail Balikov <mihail.balikov interbgc.com> [1]
PR:		kern/92895 [2]
Submitted by:	Vladimir Ivanov <wawa yandex-team.ru> [2]

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase