BUG High CPU ubuntu 14.04 KVM libpcap 1.5.3-2

chris_c_

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See https://github.com/jvinet/knock/issues/9

knockd constantly running at 2.6%+ CPU on two cores ubuntu 14.04 KVM server, causing system load to be no less than 0.25-0.35, previous versions were showing system load of 0.10-0.15.

A solution seems to be to install an older version of libpcap without the bug
 

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