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Oracle Linux: Bonded interface on HP ProLiant Server Fails to Instantaite - "RTNETLINK answers: File exists", "cmanicd: NIC agent link is down: ethX" (Doc ID 2317119.1)

Last updated on JUNE 22, 2021

Applies to:

Linux OS - Version Oracle Linux 6.9 and later
Oracle Cloud Infrastructure - Version N/A and later
Linux x86-64
Linux x86
Hardware > HP ProLiant BL460c Gen9 Server

Bond 2 interface > eth2 + eth3

etc/sysconfig/network-scripts/ifcfg-eth2:MASTER=bond2
etc/sysconfig/network-scripts/ifcfg-eth3:MASTER=bond2


Symptoms

An Oracle Linux (OL) system running on a HPE ProLiant Server is configured for network bonding i.e. bond master bond2 enslaves interfaces eth2 and eth3.

Attempts to bring up bonded interface bond2 fail as follows:

# ifup bond2 up
RTNETLINK answers: File exists
RTNETLINK answers: File exists

 

Cause

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In this Document
Symptoms
Cause
Solution


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