After update network manager DNS work unstable

[TyhDyh]

After update to 1.2.0-0ubuntu0.16.04.2 I get

ERR_NAME_RESOLUTION_FAILED in chromium

and apt cant resolving name

sudo apt update
Err:1 http://security.ubuntu.com/ubuntu xenial-security InRelease
  Temporary failure resolving 'security.ubuntu.com'
Err:2 http://archive.canonical.com/ubuntu xenial InRelease
  Temporary failure resolving 'archive.canonical.com'
Err:3 http://by.archive.ubuntu.com/ubuntu xenial InRelease
  Temporary failure resolving 'by.archive.ubuntu.com'
Err:4 http://by.archive.ubuntu.com/ubuntu xenial-updates InRelease
  Temporary failure resolving 'by.archive.ubuntu.com'
Err:5 http://by.archive.ubuntu.com/ubuntu xenial-backports InRelease
  Temporary failure resolving 'by.archive.ubuntu.com'
Reading package lists... Done
Building dependency tree
Reading state information... Done
All packages are up to date.
W: Failed to fetch http://by.archive.ubuntu.com/ubuntu/dists/xenial/InRelease Temporary failure resolving 'by.archive.ubuntu.com'
W: Failed to fetch http://by.archive.ubuntu.com/ubuntu/dists/xenial-updates/InRelease Temporary failure resolving 'by.archive.ubuntu.com'
W: Failed to fetch http://by.archive.ubuntu.com/ubuntu/dists/xenial-backports/InRelease Temporary failure resolving 'by.archive.ubuntu.com'
W: Failed to fetch http://archive.canonical.com/ubuntu/dists/xenial/InRelease Temporary failure resolving 'archive.canonical.com'
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/xenial-security/InRelease Temporary failure resolving 'security.ubuntu.com'
W: Some index files failed to download. They have been ignored, or old ones used instead.

workaround - install old version

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: network-manager 1.2.0-0ubuntu0.16.04.2
ProcVersionSignature: Ubuntu 4.4.0-24.43-generic 4.4.10
Uname: Linux 4.4.0-24-generic i686
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: i386
CRDA:
 country BY: DFS-ETSI
  (2402 - 2482 @ 40), (N/A, 20), (N/A)
  (5170 - 5250 @ 80), (N/A, 20), (N/A)
  (5250 - 5330 @ 80), (N/A, 20), (0 ms), DFS
  (5490 - 5710 @ 160), (N/A, 27), (0 ms), DFS
CurrentDesktop: Unity
Date: Sat Jun 11 15:55:38 2016
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
InstallationDate: Installed on 2016-05-14 (27 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release i386 (20160420.1)
IpRoute:
 default via 192.168.100.1 dev wlp2s0 proto static metric 600
 169.254.0.0/16 dev wlp2s0 scope link metric 1000
 192.168.100.0/24 dev wlp2s0 proto kernel scope link src 192.168.100.8 metric 600
NetworkManager.state:
 [main]
 NetworkingEnabled=true
 WirelessEnabled=true
 WWANEnabled=true
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-con:
 NAME UUID TYPE TIMESTAMP TIMESTAMP-REAL AUTOCONNECT AUTOCONNECT-PRIORITY READONLY DBUS-PATH ACTIVE DEVICE STATE ACTIVE-PATH
 HUAWEI-KpW2 3a8b63e2-b64e-4e64-b374-4fd453ccf5ec 802-11-wireless 1465649643 Sat 11 Jun 2016 15:54:03 MSK yes 0 no /org/freedesktop/NetworkManager/Settings/1 yes wlp2s0 activated /org/freedesktop/NetworkManager/ActiveConnection/2
 Wired connection 1 32e99c74-fafd-483a-aa6f-745655ff5e9f 802-3-ethernet 1465646919 Sat 11 Jun 2016 15:08:39 MSK yes 4294966297 no /org/freedesktop/NetworkManager/Settings/2 no -- -- --
nmcli-dev:
 DEVICE TYPE STATE DBUS-PATH CONNECTION CON-UUID CON-PATH
 wlp2s0 wifi connected /org/freedesktop/NetworkManager/Devices/2 HUAWEI-KpW2 3a8b63e2-b64e-4e64-b374-4fd453ccf5ec /org/freedesktop/NetworkManager/ActiveConnection/2
 enp1s0 ethernet unavailable /org/freedesktop/NetworkManager/Devices/1 -- -- --
 lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/0 -- -- --
nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code 2: Error: Object 'nm' is unknown, try 'nmcli help'.