[Bug 1568787] Re: resolvconf does not reliable receive nameserver information from NetworkManager

[Alberto Salvia Novella]

** Changed in: dnsmasq (Ubuntu)
   Importance: Undecided => High

** Changed in: dbus (Ubuntu)
   Importance: Undecided => High

** Changed in: network-manager (Ubuntu)
   Importance: Undecided => High

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Title:
  resolvconf does not reliable receive nameserver information from
  NetworkManager

Status in dbus package in Ubuntu:
  Confirmed
Status in dnsmasq package in Ubuntu:
  Confirmed
Status in network-manager package in Ubuntu:
  Confirmed

Bug description:
  resolvconf does not reliable receive nameserver information from
  NetworkManager.

  In the journal I see things like:

  Apr 11 11:13:52 ottawa dnsmasq[3122]: setting upstream servers from DBus
  Apr 11 11:13:52 ottawa dnsmasq[3122]: using nameserver fe80::1#53
  Apr 11 11:13:52 ottawa dnsmasq[3122]: using nameserver 192.168.1.254#53
  Apr 11 11:13:52 ottawa dbus[978]: [system] Rejected send message, 13 matched rules; type="method_return", sender=":1.99" (uid=0 pid=3122 comm="/usr/sbin/dnsmasq --no-resolv --keep-in-foreground") interface="(unset)" member="(unset)" error name="(unset)" requested_reply="0" destination=":1.8" (uid=0 pid=1017 comm="/usr/sbin/NetworkManager --no-daemon ")

  Apr 11 11:04:21 ottawa NetworkManager[1017]: <info>  DNS: starting dnsmasq...
  Apr 11 11:04:21 ottawa NetworkManager[1017]: <warn>  dnsmasq not available on the bus, can't update servers.
  Apr 11 11:04:21 ottawa NetworkManager[1017]: <error> [1460369061.825658] [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

  Doing this via dbus seems really odd, but I suspect messages between
  NetworkManager and the dnsmasq it spawns should not be rejected.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: dnsmasq-base 2.75-1
  ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6
  Uname: Linux 4.4.0-18-generic x86_64
  ApportVersion: 2.20.1-0ubuntu1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Apr 11 11:17:34 2016
  InstallationDate: Installed on 2016-01-26 (76 days ago)
  InstallationMedia: Ubuntu-Server 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160125)
  SourcePackage: dnsmasq
  UpgradeStatus: No upgrade log present (probably fresh install)

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