[Bug 1254338] [NEW] lxc containers failing dhcp

Robert Collins 1254338 at bugs.launchpad.net
Sat Nov 23 21:41:30 UTC 2013


Public bug reported:

I just noticed this about a week ago when I was leaving Hong Kong after
the ODS. My older containers (e.g. precise, or lucid) are failing to
bring up networking. Checking syslog in the container:

Nov 23 06:39:59 subunit-lucid dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 8
Nov 23 06:39:59 subunit-lucid dhclient: 5 bad udp checksums in 5 packets
Nov 23 06:40:07 subunit-lucid dhclient: No DHCPOFFERS received.
Nov 23 06:40:07 subunit-lucid dhclient: No working leases in persistent database - sleeping.
Nov 23 06:44:03 subunit-lucid dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 4

Which makes me think that the host lxc bridge no longer does checksum
fixups, which will break older containers. Without networking updating
the containers to do a local fix is uhm, hard - if I'm right there's a
bunch of folk out there scratching their heads and recreating containers
(with appropriate swear words...)

** Affects: lxc (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1254338

Title:
  lxc containers failing dhcp

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