libvirt users - Oct 2019 - create virtual network fails with virt-manager

hello list,

creatig a virtual network via virt-manager fails.
gentoo linux vanilla-sources 5.3.1
virt-manager 2.2.1
qemu 4.0
libvirt 5.5.0


the error output of

Error creating virtual network: internal error: Failed to apply firewall 
rules /sbin/iptables -w --table filter --insert LIBVIRT_INP 
--in-interface virbr1 --protocol tcp --destination-port 67 --jump 
ACCEPT: iptables: No chain/target/match by that name.


Traceback (most recent call last):
   File "/usr/share/virt-manager/virtManager/asyncjob.py", line 75, in
cb_wrapper
     callback(asyncjob, *args, **kwargs)
   File "/usr/share/virt-manager/virtManager/createnet.py", line 472,
in
_async_net_create
     netobj.create()
   File "/usr/lib64/python3.6/site-packages/libvirt.py", line 2993, in
create
     if ret == -1: raise libvirtError ('virNetworkCreate() failed', 
net=self)
libvirt.libvirtError: internal error: Failed to apply firewall rules 
/sbin/iptables -w --table filter --insert LIBVIRT_INP --in-interface 
virbr1 --protocol tcp --destination-port 67 --jump ACCEPT: iptables: No 
chain/target/match by that name.



/sbin/iptables exists

any ideas?

kind regards
m@rko



-- 
zbfmail - Mittendrin statt nur Datei!
           Datei sein ist alles!

On Thu, Oct 10, 2019 at 03:40:24PM +0200, Marko Horn
wrote:
>
>
>hello list,
>
>creatig a virtual network via virt-manager fails.
>gentoo linux vanilla-sources 5.3.1
>virt-manager 2.2.1
>qemu 4.0
>libvirt 5.5.0
>
Please try newer libvirt.  There were some fixes related to iptables/nf_tables
in libvirt in recent releases, so it might just solve that for you.
>
>the error output of
>
>Error creating virtual network: internal error: Failed to apply firewall
>rules /sbin/iptables -w --table filter --insert LIBVIRT_INP
>--in-interface virbr1 --protocol tcp --destination-port 67 --jump
>ACCEPT: iptables: No chain/target/match by that name.
>
>
>Traceback (most recent call last):
>   File "/usr/share/virt-manager/virtManager/asyncjob.py", line
75, in
>cb_wrapper
>     callback(asyncjob, *args, **kwargs)
>   File "/usr/share/virt-manager/virtManager/createnet.py", line
472, in
>_async_net_create
>     netobj.create()
>   File "/usr/lib64/python3.6/site-packages/libvirt.py", line
2993, in
>create
>     if ret == -1: raise libvirtError ('virNetworkCreate() failed',
>net=self)
>libvirt.libvirtError: internal error: Failed to apply firewall rules
>/sbin/iptables -w --table filter --insert LIBVIRT_INP --in-interface
>virbr1 --protocol tcp --destination-port 67 --jump ACCEPT: iptables: No
>chain/target/match by that name.
>
>
>
>/sbin/iptables exists
>
>any ideas?
>
>kind regards
>m@rko
>
>
>
>-- 
>zbfmail - Mittendrin statt nur Datei!
>           Datei sein ist alles!
>
>_______________________________________________
>libvirt-users mailing list
>libvirt-users@redhat.com
>https://www.redhat.com/mailman/listinfo/libvirt-users

Hi Martin

Am 2019-10-11 09:58, schrieb Martin Kletzander:
> On Thu, Oct 10, 2019 at 03:40:24PM +0200, Marko Horn wrote:
>> 
>> 
>> hello list,
>> 
>> creatig a virtual network via virt-manager fails.
>> gentoo linux vanilla-sources 5.3.1
>> virt-manager 2.2.1
>> qemu 4.0
>> libvirt 5.5.0
>> 
> 
> Please try newer libvirt.  There were some fixes related to 
> iptables/nf_tables
> in libvirt in recent releases, so it might just solve that for you.
just want to tell you that switching to libvirt 5.6.0 on gentoo fixed 
that.
now ist possible to create networks.

marko
> 
>> 
>> the error output of
>> 
>> Error creating virtual network: internal error: Failed to apply 
>> firewall
>> rules /sbin/iptables -w --table filter --insert LIBVIRT_INP
>> --in-interface virbr1 --protocol tcp --destination-port 67 --jump
>> ACCEPT: iptables: No chain/target/match by that name.
>> 
>> 
>> Traceback (most recent call last):
>>   File "/usr/share/virt-manager/virtManager/asyncjob.py",
line 75, in
>> cb_wrapper
>>     callback(asyncjob, *args, **kwargs)
>>   File "/usr/share/virt-manager/virtManager/createnet.py",
line 472,
>> in
>> _async_net_create
>>     netobj.create()
>>   File "/usr/lib64/python3.6/site-packages/libvirt.py", line
2993, in
>> create
>>     if ret == -1: raise libvirtError ('virNetworkCreate()
failed',
>> net=self)
>> libvirt.libvirtError: internal error: Failed to apply firewall rules
>> /sbin/iptables -w --table filter --insert LIBVIRT_INP --in-interface
>> virbr1 --protocol tcp --destination-port 67 --jump ACCEPT: iptables: 
>> No
>> chain/target/match by that name.
>> 
>> 
>> 
>> /sbin/iptables exists
>> 
>> any ideas?
>> 
>> kind regards
>> m@rko
>> 
>> 
>> 
>> -- zbfmail - Mittendrin statt nur Datei!
>>           Datei sein ist alles!
>> 
>> _______________________________________________
>> libvirt-users mailing list
>> libvirt-users@redhat.com
>> https://www.redhat.com/mailman/listinfo/libvirt-users
> 
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