Oracle VM Guests are unable to communicate via network interfaces - DOM0 shows error in /var/log/messages: "pcieport 0000:00:02.1: em1: 0x00006920: 0x00000000, 0x00000000, 0x00000001, 0x00000000, kernel: pcieport 0000:00:02.1: em1: 0: Host status block " (Doc ID 2186463.1)

Last updated on OCTOBER 10, 2016

Applies to:

Oracle VM - Version 3.2.2 to 3.4.2 [Release OVM32 to OVM34]
Linux x86
Linux x86-64

Symptoms

VM Guests are unable to ping each other.
Under the OVS Server below error is being reported:

EM1 and EM3 are used by guests to communicate.

Cause

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