Eyal Edri <ee...@redhat.com> writes:

> Adding also lago-devel.
> Eddy, isn't it the same issue I had on Fedora 26?

The following command resolved the problem on my machine:

  echo 2 > /proc/sys/net/ipv6/conf/enp0s25/accept_ra 

(Thanks to Petr Horáček for the advice.)

> On Thu, Aug 10, 2017 at 2:32 PM, Milan Zamazal <mzama...@redhat.com> wrote:
>
>> Hi, I get the following error when I try to run OST, I think since I've
>> upgraded my computer to RHEL 7.4 recently:
>>
>>   + lago start
>>   @ Start Prefix:
>>     # Start nets:
>>       * Create network lago-basic-suite-master-net-storage:
>>   libvirt:  error : internal error: Check the host setup: enabling IPv6
>> forwarding with RA routes without accept_ra set to 2 is likely to cause
>> routes loss. Interfaces to look at: enp0s25
>>       * Create network lago-basic-suite-master-net-storage: ERROR (in
>> 0:00:00)
>>     # Start nets: ERROR (in 0:00:00)
>>   @ Start Prefix: ERROR (in 0:00:00)
>>   Error occured, aborting
>>   Traceback (most recent call last):
>>     File "/usr/lib/python2.7/site-packages/lago/cmd.py", line 942, in main
>>       cli_plugins[args.verb].do_run(args)
>>     File "/usr/lib/python2.7/site-packages/lago/plugins/cli.py", line
>> 184, in do_run
>>       self._do_run(**vars(args))
>>     File "/usr/lib/python2.7/site-packages/lago/utils.py", line 501, in
>> wrapper
>>       return func(*args, **kwargs)
>>     File "/usr/lib/python2.7/site-packages/lago/utils.py", line 512, in
>> wrapper
>>       return func(*args, prefix=prefix, **kwargs)
>>     File "/usr/lib/python2.7/site-packages/lago/cmd.py", line 265, in
>> do_start
>>       prefix.start(vm_names=vm_names)
>>     File "/usr/lib/python2.7/site-packages/lago/sdk_utils.py", line 50,
>> in wrapped
>>       return func(*args, **kwargs)
>>     File "/usr/lib/python2.7/site-packages/lago/prefix.py", line 1295, in
>> start
>>       self.virt_env.start(vm_names=vm_names)
>>     File "/usr/lib/python2.7/site-packages/lago/virt.py", line 342, in
>> start
>>       net.start()
>>     File 
>> "/usr/lib/python2.7/site-packages/lago/providers/libvirt/network.py",
>> line 107, in start
>>       net = self.libvirt_con.networkCreateXML(self._libvirt_xml())
>>     File "/usr/lib64/python2.7/site-packages/libvirt.py", line 4052, in
>> networkCreateXML
>>       if ret is None:raise libvirtError('virNetworkCreateXML() failed',
>> conn=self)
>>   libvirtError: internal error: Check the host setup: enabling IPv6
>> forwarding with RA routes without accept_ra set to 2 is likely to cause
>> routes loss. Interfaces to look at: enp0s25
>>
>> Do you have any idea how to fix / work around that and make OST running
>> again?
>>
>> (Complete lago.log attached.)
>>
>> Thanks,
>> Milan
>>
>>
>> _______________________________________________
>> Devel mailing list
>> Devel@ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/devel
>>
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