[Bug 1215391] Re: lxc-start can't parse IPv6 addresses

[Serge Hallyn]

** Description changed:

  A container with an IPv6 address in its configuration (for example,
  'lxc.network.ipv6 = 2001:db8:fedc:abcd::2/80') fails to start with the
  error below.
  
      lxc-start 1377083732.942 ERROR    lxc_confile - No such file or
  directory - invalid ipv6 address: 2001:db8:fedc:abcd::2/80
  
  This IPv6 address is valid, however, and the same configuration works
  fine on 12.04.
  
  Ubuntu Release: Ubuntu 13.04
  lxc package version: 0.9.0-0ubuntu3.4
+ 
+ SRU justification
+ 1. impact: container configurations specifying an ipv6 address with a mask fail to start
+ 2. Development fix: remove the mask from ipv6 address before passing it to inet_pton
+ 3. Stable fix: same as development fix
+ 4. test case:
+    sudo lxc-create -t ubuntu -n x1
+    Echo "lxc.network.ipv6 = 2001:db8:fedc:abcd::2/80" | sudo tee -a /var/lib/lxc/x1/config
+    sudo lxc-start -n x1
+ 5. Regression potential: none, we are simply passing the correct buffer to inet_pton.

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https://bugs.launchpad.net/bugs/1215391

Title:
  lxc-start can't parse IPv6 addresses

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