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[Bug 1367495] Re: Bridge still not created if bind9 is on

 

`sudo netstat -nr` returns:
    Kernel IP routing table
    Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
    0.0.0.0          <my-net>.1     0.0.0.0         UG        0 0          0 eth0
    <my-net>.0      0.0.0.0         255.255.255.0   U         0 0          0 eth0

`sudo netstat -lnp | grep 10.0` returns nothing.

`traceroute 10.0.3.1` goes up my ISP's network, but after 8 hops there
it only returns `* * *` for hops 9-30. If I interpret that correctly,
10.0.3.1 isn't anywhere on my local network (and of course I can't get
into other people's so there's no point in trying for more hops).

`dpkg -l | grep dnsmasq` returns:
    ii  dnsmasq                             2.68-1                               all          Small caching DNS proxy and DHCP/TFTP server
    ii  dnsmasq-base                        2.68-1                               amd64        Small caching DNS proxy and DHCP/TFTP server

And, finally, `dpkg -l | grep lxc` returns:
    ii  liblxc1                             1.0.6-0ubuntu0.1                     amd64        Linux Containers userspace tools (library)
    ii  lxc                                 1.0.6-0ubuntu0.1                     amd64        Linux Containers userspace tools
    ii  lxc-templates                       1.0.6-0ubuntu0.1                     amd64        Linux Containers userspace tools (templates)
    ii  python3-lxc                         1.0.6-0ubuntu0.1                     amd64        Linux Containers userspace tools (Python 3.x bindings)

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https://bugs.launchpad.net/bugs/1367495

Title:
  Bridge still not created if bind9 is on

Status in lxc package in Ubuntu:
  Confirmed

Bug description:
  This is probably a dup of bug 1240757, created just so I could upload
  the data requested in that bug report.

  On a fresh, probably vanilla, ubuntu 14.04 server, I tried using ubuntu 14.04's default lxc.
  It created containers fine, but they failed to start, complaining
    lxc-start: failed to attach 'veth9HNUS9' to the bridge 'lxcbr0' : No such device
  /var/log/upstart/lxc-net.log says
    dnsmasq: failed to create listening socket for 10.0.3.1: Address already in use

  This didn't happen on a desktop 14.04 instance, where bind9 is not
  installed by default.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: lxc 1.0.5-0ubuntu0.1
  ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
  Uname: Linux 3.13.0-35-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.3
  Architecture: amd64
  Date: Tue Sep  9 16:39:34 2014
  ProcEnviron:
   LANGUAGE=en_US:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: lxc
  UpgradeStatus: No upgrade log present (probably fresh install)
  defaults.conf:
   lxc.network.type = veth
   lxc.network.link = lxcbr0
   lxc.network.flags = up
   lxc.network.hwaddr = 00:16:3e:xx:xx:xx

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References