package network-manager 1.2.6-0ubuntu0.16.04.3 failed to install/upgrade: end of file on stdin at conffile prompt

This bug makes ubuntu system crashes.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: network-manager 1.2.6-0ubuntu0.16.04.3
ProcVersionSignature: Ubuntu 4.4.0-139.165-generic 4.4.160
Uname: Linux 4.4.0-139-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
Date: Wed Dec 5 10:10:32 2018
ErrorMessage: end of file on stdin at conffile prompt
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
InstallationDate: Installed on 2018-04-23 (226 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
IpRoute:
 default via 192.168.1.1 dev wlp8s0 proto static metric 600
 169.254.0.0/16 dev wlp8s0 scope link metric 1000
 192.168.1.0/24 dev wlp8s0 proto kernel scope link src 192.168.1.2 metric 600
NetworkManager.state:
 [main]
 NetworkingEnabled=true
 WirelessEnabled=true
 WWANEnabled=true
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.5
 apt 1.2.29
SourcePackage: network-manager
Title: package network-manager 1.2.6-0ubuntu0.16.04.3 failed to install/upgrade: end of file on stdin at conffile prompt
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.NetworkManager.NetworkManager.conf: [modified]
modified.conffile..etc.NetworkManager.conf.d.default-wifi-powersave-on.conf: [modified]
modified.conffile..etc.dbus-1.system.d.nm-dispatcher.conf: [modified]
modified.conffile..etc.dbus-1.system.d.org.freedesktop.NetworkManager.conf: [modified]
modified.conffile..etc.dnsmasq.d.network-manager:
 # Tell any system-wide dnsmasq instance to make sure to bind to interfaces
 # instead of listening on 0.0.0.0
 # WARNING: changes to this file will get lost if network-manager is removed.
 bind-interfaces
modified.conffile..etc.init.d.network-manager: [modified]
modified.conffile..etc.init.network-manager.conf: [modified]
mtime.conffile..etc.NetworkManager.NetworkManager.conf: 2018-11-05T13:23:23.337764
mtime.conffile..etc.NetworkManager.conf.d.default-wifi-powersave-on.conf: 2017-11-17T01:59:10
mtime.conffile..etc.NetworkManager.dispatcher.d.01ifupdown: 2016-07-12T09:07:23
mtime.conffile..etc.dbus-1.system.d.nm-dispatcher.conf: 2016-07-12T09:07:17
mtime.conffile..etc.dbus-1.system.d.org.freedesktop.NetworkManager.conf: 2016-07-12T09:07:16
mtime.conffile..etc.dnsmasq.d.network-manager: 2016-07-12T09:07:23
mtime.conffile..etc.init.d.network-manager: 2016-05-12T08:53:24
mtime.conffile..etc.init.network-manager.conf: 2016-05-12T08:53:24
nmcli-nm:
 RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW WIFI WWAN-HW WWAN
 running 1.2.6 connected started full enabled enabled enabled enabled enabled