Am 18.07.2013 16:50, schrieb Jim Fehlig: > Richard, > > I think you should have cc'd the bug assignee when discussing this issue > upstream. Adding him now... Oh, sorry for that! I thought I did so after pointing Marius to the thread in the mailing list archive, but obviously I forgot. Thanks, //richard > Regards, > Jim > > > Daniel P. Berrange wrote: >> On Wed, Jul 17, 2013 at 11:33:22PM +0200, Richard Weinberger wrote: >> >>> Am 12.07.2013 03:36, schrieb Gao feng: >>> >>>> On 07/11/2013 07:58 PM, Richard Weinberger wrote: >>>> >>>>> Am 11.07.2013 11:49, schrieb Daniel P. Berrange: >>>>> >>>>>> On Thu, Jul 11, 2013 at 11:44:48AM +0200, Richard Weinberger wrote: >>>>>> >>>>>>> Am 11.07.2013 11:42, schrieb Gao feng: >>>>>>> >>>>>>>> On 07/11/2013 03:18 PM, Richard Weinberger wrote: >>>>>>>> >>>>>>>>> This morning I've installed a wrapper around ip to show me the process tree upon ip link ... down is used. >>>>>>>>> The log showed this: >>>>>>>>> >>>>>>>>> 769 ? Ss 0:00 /usr/lib/systemd/systemd-udevd >>>>>>>>> 17759 ? S 0:00 \_ /usr/lib/systemd/systemd-udevd >>>>>>>>> 17764 ? S 0:00 \_ /usr/lib/systemd/systemd-udevd >>>>>>>>> 17772 ? S 0:00 \_ /usr/lib/systemd/systemd-udevd >>>>>>>>> 19477 ? S 0:00 | \_ /bin/bash /sbin/ifdown veth5 -o hotplug >>>>>>>>> 19910 ? S 0:00 | \_ /sbin/ip link set dev veth5 down >>>>>>>>> >>>>>>>>> Now I have to urge to use a "Kantholz". ;-) >>>>>>>>> >>>>>>>>> >>>>>>>> hmmm... >>>>>>>> >>>>>>>> it's systemd... I have no idea now... :( >>>>>>>> >>>>>>> TBH it is not systemd's fault. >>>>>>> OpenSUSE's /usr/lib/udev/rules.d/77-network.rules did not white list veth* devices. >>>>>>> Therefore systemd-udevd called ifup/down and other hotplug magic. >>>>>>> >>>>>> Ah ha, that's a nice issue :-) I assume you've filed a bug against opensuse >>>>>> to fix this ? Can you post a link to the bug here for the sake of archive >>>>>> records. >>>>>> >>>>> Sure: >>>>> https://bugzilla.novell.com/show_bug.cgi?id=829033 >>>>> >>>>> >>>> It's good news we know what causes veth device down. :) >>>> >>> How does Fedora deal with veth devices? >>> >> >> Well the udev script you mention above does not exist on Fedora and AFAIK >> there's no other udev script which runs 'ifconfig down' on NICs. >> >> >>> SUSE folks think that this is a more likely a libvirt issue and closed my bug report as invalid... >>> >> >> If you remove or modify the 77-network.rules file does it fix the problem. >> If so, then it is obviously not a libvirt issue. IMHO it is completely >> bogus for udev to be arbitrarily ifdown'ing any interface. >> >> Daniel >> -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list