Why we get "Interface ethX is already enslaved!“ or "RTNETLINK answers: File exists" when bring up a new configured bonding devices.

Solution Verified - Updated -

Issue

When a user runs the following steps then it would lead to the error in below form.

1, Remove all the configuration files (ifcfg-ethX and ifcfg-bonding) under /etc/sysconfig/network-scripts/
2, Reboot Red Hat Enterprise Linux 6.
3, Then create configuration files(ifcfg-ethX and ifcfg-bonding) for ethX and bondX.
4, Run ifup bondX.

#ifup bond1
bonding: bond1: Interface eth0 is already enslaved!
RTNETLINK answers: File exists

Environment

Red Hat Enterprise Linux 6

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content