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[Scott Moser <ssmoser2+ubuntu@xxxxxxxxx>]

Public bug reported:

$ cat > my.yaml <<EOF
#cloud-config
lxd:
  init:
    storage_backend: dir
  bridge:
    mode: new
    name: lxdbr0
    ipv4_address: 10.100.100.1
    ipv4_netmask: 24
    ipv4_dhcp_first: 10.100.100.100
    ipv4_dhcp_last: 10.100.100.200
    ipv4_nat: true
    domain: lxd
EOF

$ name=c1
$ lxc launch ubuntu-daily:cosmic $name "--config=user.user-data=$(cat my.yaml)"
$ sleep 10
$ lxc exec $name cat /run/cloud-init/result.json
{
 "v1": {
  "datasource": "DataSourceNoCloud [seed=/var/lib/cloud/seed/nocloud-net][dsmode=net]",
  "errors": [
   "('lxd', ProcessExecutionError(\"Unexpected error while running command.\\nCommand: ['lxc', 'network', 'create', 'lxdbr0', 'ipv4.address=10.100.100.1/24', 'ipv4.dhcp.ranges=10.100.100.100-10.100.100.200', 'ipv6.address=none', 'dns.domain=lxd', '--force-local']\\nExit code: 1\\nReason: -\\nStdout: \\nStderr: Error: The network already exists\",))"
  ]
 }
}

The integration test case tests/cloud_tests/testcases/modules/lxd_bridge.py
is demonstrates this failure on cosmic.  It currently only occurs on
cosmic but will occur anywhere with lxd 3.1.0.

ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: cloud-init 18.2-64-gbbcc5e82-0ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-22.24-generic 4.15.17
Uname: Linux 4.15.0-22-generic x86_64
ApportVersion: 2.20.10-0ubuntu3
Architecture: amd64
CloudName: LXD
Date: Thu Jun 14 18:34:15 2018
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=C.UTF-8
SourcePackage: cloud-init
UpgradeStatus: No upgrade log present (probably fresh install)
cloud-init-log-warnings:
 2018-06-14 18:34:08,417 - util.py[WARNING]: Running module lxd (<module 'cloudinit.config.cc_lxd' from '/usr/lib/python3/dist-packages/cloudinit/config/cc_lxd.py'>) failed
 cloudinit.util.ProcessExecutionError: Unexpected error while running command.
 Stderr: Error: The network already exists

** Affects: cloud-init
     Importance: Medium
         Status: Confirmed

** Affects: cloud-init (Ubuntu)
     Importance: Medium
         Status: Confirmed


** Tags: amd64 apport-bug cosmic uec-images

** Also affects: cloud-init
   Importance: Undecided
       Status: New

** Changed in: cloud-init
       Status: New => Confirmed

** Changed in: cloud-init (Ubuntu)
       Status: New => Confirmed

** Changed in: cloud-init
   Importance: Undecided => Medium

** Changed in: cloud-init (Ubuntu)
   Importance: Undecided => Medium

** Bug watch added: LXD bug tracker #4649
   https://github.com/lxc/lxd/issues/4649

-- 
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Engineering Team, which is subscribed to cloud-init.
https://bugs.launchpad.net/bugs/1776958

Title:
  error creating lxdbr0.

Status in cloud-init:
  Confirmed
Status in cloud-init package in Ubuntu:
  Confirmed

Bug description:
  $ cat > my.yaml <<EOF
  #cloud-config
  lxd:
    init:
      storage_backend: dir
    bridge:
      mode: new
      name: lxdbr0
      ipv4_address: 10.100.100.1
      ipv4_netmask: 24
      ipv4_dhcp_first: 10.100.100.100
      ipv4_dhcp_last: 10.100.100.200
      ipv4_nat: true
      domain: lxd
  EOF

  $ name=c1
  $ lxc launch ubuntu-daily:cosmic $name "--config=user.user-data=$(cat my.yaml)"
  $ sleep 10
  $ lxc exec $name cat /run/cloud-init/result.json
  {
   "v1": {
    "datasource": "DataSourceNoCloud [seed=/var/lib/cloud/seed/nocloud-net][dsmode=net]",
    "errors": [
     "('lxd', ProcessExecutionError(\"Unexpected error while running command.\\nCommand: ['lxc', 'network', 'create', 'lxdbr0', 'ipv4.address=10.100.100.1/24', 'ipv4.dhcp.ranges=10.100.100.100-10.100.100.200', 'ipv6.address=none', 'dns.domain=lxd', '--force-local']\\nExit code: 1\\nReason: -\\nStdout: \\nStderr: Error: The network already exists\",))"
    ]
   }
  }

  The integration test case tests/cloud_tests/testcases/modules/lxd_bridge.py
  is demonstrates this failure on cosmic.  It currently only occurs on
  cosmic but will occur anywhere with lxd 3.1.0.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: cloud-init 18.2-64-gbbcc5e82-0ubuntu1
  ProcVersionSignature: Ubuntu 4.15.0-22.24-generic 4.15.17
  Uname: Linux 4.15.0-22-generic x86_64
  ApportVersion: 2.20.10-0ubuntu3
  Architecture: amd64
  CloudName: LXD
  Date: Thu Jun 14 18:34:15 2018
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=C.UTF-8
  SourcePackage: cloud-init
  UpgradeStatus: No upgrade log present (probably fresh install)
  cloud-init-log-warnings:
   2018-06-14 18:34:08,417 - util.py[WARNING]: Running module lxd (<module 'cloudinit.config.cc_lxd' from '/usr/lib/python3/dist-packages/cloudinit/config/cc_lxd.py'>) failed
   cloudinit.util.ProcessExecutionError: Unexpected error while running command.
   Stderr: Error: The network already exists

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