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Created attachment 1712045 [details]
Reproduce script

Description of problem:

Cannot changed bond mode of bond created by iproute.


Version-Release number of selected component (if applicable):
NetworkManager-1.26.0-6.el8.x86_64

How reproducible:
100%

Steps to Reproduce:
1. sudo ./nm_bug.sh
2.
3.

Actual results:


Expected results:


Additional info:

Created attachment 1712046 [details]
System logs with NM trace enabled

Patch in review https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/merge_requests/731.

Patch merged https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/merge_requests/731.

NMCI test added:
https://gitlab.freedesktop.org/NetworkManager/NetworkManager-ci/-/merge_requests/721

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (Moderate: NetworkManager and libnma security, bug fix, and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2021:1574