Any ideas as to what could have caused this "outage" in the first place,
and why sending a ping would have fixed it?
I can supply some further info, which may be useful.
* The bonding driver is in use, slaving eth0 and eth1 into bond0.
* There are 2 switches. eth0 goes into one and eth1 into the other. The
two switches have a cross-connect. The Internet uplink is on one of the
two switches.
Perhaps there's some ARP-related issue happening between the bonding and
the switches?
* During the time of the outage, "arping" to the IP address continued
working. Then again, this was probably proxy ARP from the HN.
--
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