Jonathan Hart f563830299 Protect against exceptions thrown in application's packet processors.
These exceptions should not bubble up to netty because that will result in the
connection to the switch being closed.

For now we catch and log the exception - in the future we could consider removing
misbehaving packet processors.

Addresses ONOS-3368.

Change-Id: If507adafba39bf705c27286c8e48af3f955d1eff
2015-11-16 19:17:17 +00:00
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