I had a 12.04, upgraded to the kernel of 12.10 (kernel
v3.5.0-21-generic), and used it flawlessly for several month with LXC
containers.
Very recently, I had a btrfs issue that made my update my kernel to
v3.15.1-031501-generic.
That's when my existing containers didn't catch anymore their IP on boot
via DHCP.
A tcpdump shows "bad udp cksum":
16:32:32.032975 IP (tos 0x0, ttl 64, id 25006, offset 0, flags [DF], proto UDP
(17), length 71)
ns3262489.ovh.net.61855 > 172.128.0.75.domain: [bad udp cksum 0xdbeb ->
0x0796!] 43449+ PTR? 75.0.128.172.in-addr.arpa. (43)
For a good blog post around this issue and how to deal with it (not
mine): http://colinnewell.wordpress.com/2013/12/18/lxc-networking/
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https://bugs.launchpad.net/bugs/1204069
Title:
lxc dhcp fails
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