OST: libvirt: error : internal error: Check the host setup: enabling IPv6 forwarding with RA routes

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

Adding also lago-devel. Eddy, isn't it the same issue I had on Fedora 26? On Thu, Aug 10, 2017 at 2:32 PM, Milan Zamazal <mzamazal@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
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-- Eyal edri ASSOCIATE MANAGER RHV DevOps EMEA VIRTUALIZATION R&D Red Hat EMEA <https://www.redhat.com/> <https://red.ht/sig> TRIED. TESTED. TRUSTED. <https://redhat.com/trusted> phone: +972-9-7692018 irc: eedri (on #tlv #rhev-dev #rhev-integ)

Eyal Edri <eedri@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 <mzamazal@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

On Thu, Aug 10, 2017 at 3:13 PM, Milan Zamazal <mzamazal@redhat.com> wrote:
Eyal Edri <eedri@redhat.com> writes:
Adding also lago-devel. Eddy, isn't it the same issue I had on Fedora 26?
I do not recall the details, but this one seems very specific, telling exactly what the problem is.
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@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
participants (3)
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Edward Haas
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Eyal Edri
-
Milan Zamazal