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Re: [libvirt-users] create virtual network fails with virt-manager



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



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