Bug 88397

Summary:	networkd: Event source 'rtnl-receive-message' returned error, disabling: Connection reset by peer
Product:	systemd	Reporter:	Rami Rosen <ramirose>
Component:	general	Assignee:	Tom Gundersen <teg>
Status:	RESOLVED FIXED	QA Contact:	systemd-bugs
Severity:	critical
Priority:	medium
Version:	unspecified
Hardware:	x86-64 (AMD64)
OS:	Linux (All)
Whiteboard:
i915 platform:		i915 features:

Description Rami Rosen 2015-01-14 12:20:25 UTC

On Fedora 21 (x86_64), when enabling systemd debug (by adding systemd.log_level=debug to the kernel command line), rebooting 
(The systemd-networkd service is enabled, and the network service is disabled), we see the following error in the logs (of journalctl -f), when running the following command:

bridge vlan add dev br0 vid 1 self

...
Event source 'rtnl-receive-message' returned error, disabling: Connection reset by peer
..

We have two config files under /etc/systemd/network:
em1.network and mynetdev.netdev:

cat em1.network
[Match]
Name=eth5

[Network]
DHCP=v4

And:
cat mynetdev.netdev
[NetDev]
Name=br0
Kind=bridge


More details:
rpm -q systemd 
systemd-216-12.fc21.x86_64

uname -a
Linux rr 3.17.6-300.fc21.x86_64 #1 SMP Mon Dec 8 22:29:32 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
[~]$

Note:
Prior to running the "bridge vlan add... ",  "brctl show" *does* show the br0 instance.

Comment 1 Tom Gundersen 2015-02-06 11:18:59 UTC

This should now work in git. Incidentally, you can reproduce the same problem with ip(8):

#ip monitor
dev bridge0 lladdr ea:22:ad:eb:ff:91 PERMANENT
EOF on netlink

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