[libvirt-users] iptables errors with guest

Alex mysqlstudent at gmail.com
Mon Apr 4 20:36:09 UTC 2011


Hi,

I've just set up a fedora14 guest on a fedora14 server, and just
noticed the following in messages:

Apr  4 16:29:50 fc14 libvirtd: 16:29:50.767: error :
virRunWithHook:857 : internal error '/sbin/iptables --table mangle
--delete POSTROUTING --out-interface virbr0 --protocol udp
--destination-port 68 --jump CHECKSUM --checksum-fill' exited with
non-zero status 2 and signal 0: iptables v1.4.9: unknown option
`--checksum-fill'#012Try `iptables -h' or 'iptables --help' for more
information.#012
Apr  4 16:29:50 fc14 libvirtd: 16:29:50.840: error :
virRunWithHook:857 : internal error '/sbin/iptables --table filter
--delete INPUT --in-interface virbr0 --protocol udp --destination-port
69 --jump ACCEPT' exited with non-zero status 1 and signal 0:
iptables: Bad rule (does a matching rule exist in that chain?).#012
Apr  4 16:29:50 fc14 libvirtd: 16:29:50.990: error :
virRunWithHook:857 : internal error '/sbin/iptables --table mangle
--insert POSTROUTING --out-interface virbr0 --protocol udp
--destination-port 68 --jump CHECKSUM --checksum-fill' exited with
non-zero status 2 and signal 0: iptables v1.4.9: unknown option
`--checksum-fill'#012Try `iptables -h' or 'iptables --help' for more
information.#012
Apr  4 16:29:50 fc14 libvirtd: 16:29:50.990: warning :
networkAddIptablesRules:850 : Could not add rule to fixup DHCP
response checksums on network 'default'.
Apr  4 16:29:50 fc14 libvirtd: 16:29:50.990: warning :
networkAddIptablesRules:851 : May need to update iptables package &
kernel to support CHECKSUM rule.

Is this something I'm doing wrong or is it a known problem? I have a
basic understanding of the iptables rules that libvirtd, but not
enough to troubleshoot this. What other information can I provide to
help troubleshoot this?

Thanks,
Alex




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