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[Bug 1245321] [NEW] UFW blocks libvirtd default network from starting automatically in Saucy

 

Public bug reported:

Running KVM under Ubuntu 13.10 64 bits.

When UFW is enabled, the default network won't start automatically when
set to do so. Manual startup of the network must be done before starting
the first guest.

Error in /var/log/libvirt/libvirtd.log when UFW is enabled :

2013-10-28 02:53:31.732+0000: 1485: error : virCommandWait:2348 : internal error: Child process (/sbin/iptables --table filter --insert INPUT --in-interface virbr0 --protocol tcp --destination-port 67 --jump ACCEPT) unexpected exit status 4: Another app is currently holding the xtables lock. Perhaps you want to use the -w option?
2013-10-28 02:53:31.732+0000: 1485: error : networkAddGeneralFirewallRules:1895 : failed to add iptables rule to allow DHCP requests from 'virbr0'

Disabling UFW and rebooting solves the issue (default network is started
automatically).

This behaviour is new in 13.10 (it was working fine in 13.04 and
before).

** Affects: orchestra (Ubuntu)
     Importance: Undecided
         Status: Invalid


** Tags: libvirtd

** Tags added: libvirtd

** Changed in: orchestra (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1245321

Title:
  UFW blocks libvirtd default network from starting automatically in
  Saucy

Status in “orchestra” package in Ubuntu:
  Invalid

Bug description:
  Running KVM under Ubuntu 13.10 64 bits.

  When UFW is enabled, the default network won't start automatically
  when set to do so. Manual startup of the network must be done before
  starting the first guest.

  Error in /var/log/libvirt/libvirtd.log when UFW is enabled :

  2013-10-28 02:53:31.732+0000: 1485: error : virCommandWait:2348 : internal error: Child process (/sbin/iptables --table filter --insert INPUT --in-interface virbr0 --protocol tcp --destination-port 67 --jump ACCEPT) unexpected exit status 4: Another app is currently holding the xtables lock. Perhaps you want to use the -w option?
  2013-10-28 02:53:31.732+0000: 1485: error : networkAddGeneralFirewallRules:1895 : failed to add iptables rule to allow DHCP requests from 'virbr0'

  Disabling UFW and rebooting solves the issue (default network is
  started automatically).

  This behaviour is new in 13.10 (it was working fine in 13.04 and
  before).

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References