I am running Ubuntu 16.04.2 LTS and I updated all packages to latest
stable version including dnsmasq-base (2.75-1ubuntu0.16.04.2). VPN
connection is still not working. Wireshark show that all queries are
forwarded to local DNS server instead of one defined by VPN. This is not
only information leak bud it also break DNS resolution at all. I am
getting "resolve call failed: Query timed out" from systemd-resolve and
"no servers could be reached" from host command.

I downgraded network-manager manager again to 1.2.2-0ubuntu0.16.04.4 and
it start working fine. Wireshak show that all DNS queries (at least
during time i was monitoring it) are forwarded to correct DNS server
defined by VPN server.

Is there a way how to expedite this ? This bug is affecting lot of users
and guys are considering to not stick with Ubuntu as work machine. If
there is no clear way how to fix this then please downgrade network-
manager and network-manager-gnome back to 1.2.2* version in stable tree.
Especially the second one is important as it will resolve problems with
GUI and was removed from Ubuntu repository right after update was
introduced ...

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https://bugs.launchpad.net/bugs/1639776

Title:
  name resolution (dnsmasq) fails to send queries out after
  suspend/resume reconnects the interface

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