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[Bug 1534501] Re: [URGENT] dnsmasq errors fills up syslogs extremely fast

 

Do you have the "dnsmasq" package installed and is the instance of the
dnsmasq program started by the "dnsmasq" package configured to listen at
127.0.1.1?

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You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1534501

Title:
  [URGENT] dnsmasq errors fills up syslogs extremely fast

Status in dnsmasq package in Ubuntu:
  New
Status in network-manager package in Ubuntu:
  New
Status in resolvconf package in Ubuntu:
  New
Status in rsyslog package in Ubuntu:
  New

Bug description:
  snippet of logs.....

  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq update failed
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: dnsmasq: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30416]: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30416]: FAILED to start up
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq exited with error: Network access problem (address in use; permissions; etc) (2)
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq child quit unexpectedly; refreshing DNS
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  DNS: starting dnsmasq...
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq not available on the bus, can't update servers.
  Jan 15 00:28:24 localhost NetworkManager[1211]: <error> [1452846504.397836] [dns-manager/nm-dns-dnsmasq.c:387] update(): dnsmasq owner not found on bus: Could not get owner of name 'org.freedesktop.NetworkManager.dnsmasq': no such name
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq update failed
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: dnsmasq: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30429]: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30429]: FAILED to start up
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq exited with error: Network access problem (address in use; permissions; etc) (2)
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq child quit unexpectedly; refreshing DNS
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  DNS: starting dnsmasq...
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq not available on the bus, can't update servers.
  Jan 15 00:28:24 localhost NetworkManager[1211]: <error> [1452846504.407691] [dns-manager/nm-dns-dnsmasq.c:387] update(): dnsmasq owner not found on bus: Could not get owner of name 'org.freedesktop.NetworkManager.dnsmasq': no such name
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq update failed
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: dnsmasq: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30442]: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30442]: FAILED to start up
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq exited with error: Network access problem (address in use; permissions; etc) (2)
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq child quit unexpectedly; refreshing DNS
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  DNS: starting dnsmasq...
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq not available on the bus, can't update servers.
  Jan 15 00:28:24 localhost NetworkManager[1211]: <error> [1452846504.419365] [dns-manager/nm-dns-dnsmasq.c:387] update(): dnsmasq owner not found on bus: Could not get owner of name 'org.freedesktop.NetworkManager.dnsmasq': no such name
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq update failed
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: dnsmasq: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30455]: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30455]: FAILED to start up
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq exited with error: Network access problem (address in use; permissions; etc) (2)
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq child quit unexpectedly; refreshing DNS
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  DNS: starting dnsmasq...
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq not available on the bus, can't update servers.
  Jan 15 00:28:24 localhost NetworkManager[1211]: <error> [1452846504.430292] [dns-manager/nm-dns-dnsmasq.c:387] update(): dnsmasq owner not found on bus: Could not get owner of name 'org.freedesktop.NetworkManager.dnsmasq': no such name
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq update failed
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: dnsmasq: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30468]: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30468]: FAILED to start up
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq exited with error: Network access problem (address in use; permissions; etc) (2)
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq child quit unexpectedly; refreshing DNS
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  DNS: starting dnsmasq...
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq not available on the bus, can't update servers.
  Jan 15 00:28:24 localhost NetworkManager[1211]: <error> [1452846504.441139] [dns-manager/nm-dns-dnsmasq.c:387] update(): dnsmasq owner not found on bus: Could not get owner of name 'org.freedesktop.NetworkManager.dnsmasq': no such name
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq update failed
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: dnsmasq: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30481]: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30481]: FAILED to start up
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq exited with error: Network access problem (address in use; permissions; etc) (2)
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq child quit unexpectedly; refreshing DNS
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  DNS: starting dnsmasq...
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq not available on the bus, can't update servers.
  Jan 15 00:28:24 localhost NetworkManager[1211]: <error> [1452846504.452439] [dns-manager/nm-dns-dnsmasq.c:387] update(): dnsmasq owner not found on bus: Could not get owner of name 'org.freedesktop.NetworkManager.dnsmasq': no such name
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq update failed
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: dnsmasq: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30495]: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30495]: FAILED to start up
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq exited with error: Network access problem (address in use; permissions; etc) (2)
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq child quit unexpectedly; refreshing DNS
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  DNS: starting dnsmasq...
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq not available on the bus, can't update servers.
  Jan 15 00:28:24 localhost NetworkManager[1211]: <error> [1452846504.462920] [dns-manager/nm-dns-dnsmasq.c:387] update(): dnsmasq owner not found on bus: Could not get owner of name 'org.freedesktop.NetworkManager.dnsmasq': no such name
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq update failed
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: dnsmasq: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30508]: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30508]: FAILED to start up
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq exited with error: Network access problem (address in use; permissions; etc) (2)
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq child quit unexpectedly; refreshing DNS
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  DNS: starting dnsmasq...
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq not available on the bus, can't update servers.
  Jan 15 00:28:24 localhost NetworkManager[1211]: <error> [1452846504.474603] [dns-manager/nm-dns-dnsmasq.c:387] update(): dnsmasq owner not found on bus: Could not get owner of name 'org.freedesktop.NetworkManager.dnsmasq': no such name
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq update failed
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: dnsmasq: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30521]: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30521]: FAILED to start up
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq exited with error: Network access problem (address in use; permissions; etc) (2)
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq child quit unexpectedly; refreshing DNS
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  DNS: starting dnsmasq...
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq not available on the bus, can't update servers.
  Jan 15 00:28:24 localhost NetworkManager[1211]: <error> [1452846504.484592] [dns-manager/nm-dns-dnsmasq.c:387] update(): dnsmasq owner not found on bus: Could not get owner of name 'org.freedesktop.NetworkManager.dnsmasq': no such name
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq update failed
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: dnsmasq: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30534]: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30534]: FAILED to start up
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq exited with error: Network access problem (address in use; permissions; etc) (2)
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq child quit unexpectedly; refreshing DNS
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  DNS: starting dnsmasq...
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq not available on the bus, can't update servers.
  Jan 15 00:28:24 localhost NetworkManager[1211]: <error> [1452846504.495432] [dns-manager/nm-dns-dnsmasq.c:387] update(): dnsmasq owner not found on bus: Could not get owner of name 'org.freedesktop.NetworkManager.dnsmasq': no such name
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq update failed
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: dnsmasq: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30547]: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30547]: FAILED to start up
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq exited with error: Network access problem (address in use; permissions; etc) (2)
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq child quit unexpectedly; refreshing DNS
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  DNS: starting dnsmasq...
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq not available on the bus, can't update servers.
  Jan 15 00:28:24 localhost NetworkManager[1211]: <error> [1452846504.506479] [dns-manager/nm-dns-dnsmasq.c:387] update(): dnsmasq owner not found on bus: Could not get owner of name 'org.freedesktop.NetworkManager.dnsmasq': no such name
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq update failed
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: dnsmasq: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30561]: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30561]: FAILED to start up
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq exited with error: Network access problem (address in use; permissions; etc) (2)
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq child quit unexpectedly; refreshing DNS
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  DNS: starting dnsmasq...
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq not available on the bus, can't update servers.
  Jan 15 00:28:24 localhost NetworkManager[1211]: <error> [1452846504.516853] [dns-manager/nm-dns-dnsmasq.c:387] update(): dnsmasq owner not found on bus: Could not get owner of name 'org.freedesktop.NetworkManager.dnsmasq': no such name
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq update failed
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: dnsmasq: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30574]: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30574]: FAILED to start up
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq exited with error: Network access problem (address in use; permissions; etc) (2)
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq child quit unexpectedly; refreshing DNS
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  DNS: starting dnsmasq...
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq not available on the bus, can't update servers.
  Jan 15 00:28:24 localhost NetworkManager[1211]: <error> [1452846504.527287] [dns-manager/nm-dns-dnsmasq.c:387] update(): dnsmasq owner not found on bus: Could not get owner of name 'org.freedesktop.NetworkManager.dnsmasq': no such name
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq update failed
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: dnsmasq: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30587]: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30587]: FAILED to start up
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq exited with error: Network access problem (address in use; permissions; etc) (2)
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq child quit unexpectedly; refreshing DNS
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  DNS: starting dnsmasq...
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq not available on the bus, can't update servers.
  Jan 15 00:28:24 localhost NetworkManager[1211]: <error> [1452846504.538370] [dns-manager/nm-dns-dnsmasq.c:387] update(): dnsmasq owner not found on bus: Could not get owner of name 'org.freedesktop.NetworkManager.dnsmasq': no such name
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq update failed
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: dnsmasq: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30600]: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30600]: FAILED to start up
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq exited with error: Network access problem (address in use; permissions; etc) (2)
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq child quit unexpectedly; refreshing DNS
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  DNS: starting dnsmasq...
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq not available on the bus, can't update servers.
  Jan 15 00:28:24 localhost NetworkManager[1211]: <error> [1452846504.548364] [dns-manager/nm-dns-dnsmasq.c:387] update(): dnsmasq owner not found on bus: Could not get owner of name 'org.freedesktop.NetworkManager.dnsmasq': no such name
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq update failed
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: dnsmasq: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30613]: failed to create listening socket for 127.0.1.1: Address already in use
  Jan 15 00:28:24 localhost dnsmasq[30613]: FAILED to start up
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq exited with error: Network access problem (address in use; permissions; etc) (2)
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq child quit unexpectedly; refreshing DNS
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  DNS: starting dnsmasq...
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  dnsmasq not available on the bus, can't update servers.
  Jan 15 00:28:24 localhost NetworkManager[1211]: <error> [1452846504.559345] [dns-manager/nm-dns-dnsmasq.c:387] update(): dnsmasq owner not found on bus: Could not get owner of name 'org.freedesktop.NetworkManager.dnsmasq': no such name
  Jan 15 00:28:24 localhost NetworkManager[1211]: <warn>  DNS: plugin dnsmasq update failed
  Jan 15 00:28:24 localhost NetworkManager[1211]: <info>  Writing DNS information to /sbin/resolvconf

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: network-manager 1.0.4-0ubuntu7
  ProcVersionSignature: Ubuntu 4.3.0-5.16-generic 4.3.3
  Uname: Linux 4.3.0-5-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.3-0ubuntu3
  Architecture: amd64
  CurrentDesktop: MATE
  Date: Fri Jan 15 00:29:43 2016
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
   WimaxEnabled=true
  SourcePackage: network-manager
  UpgradeStatus: No upgrade log present (probably fresh install)
  modified.conffile..etc.dnsmasq.d.network.manager: [deleted]
  nmcli-con: Error: command ['nmcli', '-f', 'all', 'con'] failed with exit code 8: Error: NetworkManager is not running.
  nmcli-dev: Error: command ['nmcli', '-f', 'all', 'dev'] failed with exit code 8: Error: NetworkManager is not running.
  nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code 2: Error: Object 'nm' is unknown, try 'nmcli help'.

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References