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List:       lxc-users
Subject:    Re: [lxc-users] re lxcbr0 doesn't exist after upgrade to 15.10
From:       Serge Hallyn <serge.hallyn () ubuntu ! com>
Date:       2015-11-12 19:33:29
Message-ID: 20151112193329.GB29709 () ubuntumail
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Quoting mikael.pahmp@schneider-electric.com (mikael.pahmp@schneider-electric.com):
> Hi, I also got this problem after upgrading to 15.10. According to \
> https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1512749 this problem \
> was fixed in  network-manager (1.0.4-0ubuntu5.1) but I still have no lxcbr0.
> 
> Running "sudo systemctl status lxc-net" I get the following:
> 
> 
> 	lxc-net.service - LXC network bridge setup
> 	   Loaded: loaded (/lib/systemd/system/lxc-net.service; enabled; vendor preset: \
> enabled)  Active: active (exited) since tis 2015-11-10 09:50:24 CET; 2min 5s ago
> 	  Process: 3988 ExecStop=/usr/lib/x86_64-linux-gnu/lxc/lxc-net stop (code=exited, \
> status=0/SUCCESS)  Process: 3992 ExecStart=/usr/lib/x86_64-linux-gnu/lxc/lxc-net \
> start (code=exited, status=0/SUCCESS)  Main PID: 3992 (code=exited, \
> status=0/SUCCESS)  Memory: 0B
> 	      CPU: 0
> 	   CGroup: /system.slice/lxc-net.service
> 	
> 	nov 10 09:50:24 pahmp-xb systemd[1]: Starting LXC network bridge setup...
> 	nov 10 09:50:24 pahmp-xb lxc-net[3992]: dnsmasq: failed to create listening socket \
> for fe80::beee:7bff:fe9f:4054%eth1: Address already in use

Looks like you have  bind9 listening on all ipv6 interfaces, so that
the dnsmasq which lxc-net starts up cannot listen on lxcbr0.

> 	nov 10 09:50:24 pahmp-xb lxc-net[3992]: Failed to setup lxc-net.
> 	nov 10 09:50:24 pahmp-xb systemd[1]: Started LXC network bridge setup.
> 	
> 	
> 
> Any ideas what could be the problem?
> 
> 
> - Mikael
> 

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