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(a)ovirt.org http://lists.ovirt.org/mailman/listinfo/devel

Eyal Edri <eedri(a)redhat.com&gt; 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 <mzamazal(a)redhat.com&gt; 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(a)ovirt.org >> http://lists.ovirt.org/mailman/listinfo/devel >>