Alexander, I tried the changed file http://launchpadlibrarian.net/26395942/NetworkManager.conf
This file did not help.
Here's grep -i ppp /var/log/auth.log:
May 6 13:58:07 potato dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.124" (uid=1000 pid=11447 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.133" (uid=0 pid=11796 comm="/usr/sbin/pppd nodetach lock nodefaultroute ttyUSB")) May 6 13:58:40 potato dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.124" (uid=1000 pid=11447 comm="/usr/lib/indicator-applet/indicator-applet --oaf-a") interface="org.freedesktop.DBus.Properties" member="Get" error name="(unset)" requested_reply=0 destination=":1.137" (uid=0 pid=12332 comm="/usr/sbin/pppd nodetach lock nodefaultroute ttyUSB")) May 6 13:58:40 potato dbus-daemon: Rejected send message, 11 matched rules; type="method_call", sender=":1.137" (uid=0 pid=12332 comm="/usr/sbin/pppd nodetach lock nodefaultroute ttyUSB") interface="org.freedesktop.NetworkManager.PPP" member="SetState" error name="(unset)" requested_reply=0 destination="org.freedesktop.NetworkManager" (uid=0 pid=3771 comm="/usr/sbin/NetworkManager --pid-file /var/run/Netwo")) May 6 13:58:40 potato dbus-daemon: Rejected send message, 11 matched rules; type="method_call", sender=":1.137" (uid=0 pid=12332 comm="/usr/sbin/pppd nodetach lock nodefaultroute ttyUSB") interface="org.freedesktop.NetworkManager.PPP" member="SetState" error name="(unset)" requested_reply=0 destination="org.freedesktop.NetworkManager" (uid=0 pid=3771 comm="/usr/sbin/NetworkManager --pid-file /var/run/Netwo")) May 6 13:58:40 potato dbus-daemon: Rejected send message, 11 matched rules; type="method_call", sender=":1.137" (uid=0 pid=12332 comm="/usr/sbin/pppd nodetach lock nodefaultroute ttyUSB") interface="org.freedesktop.NetworkManager.PPP" member="SetState" error name="(unset)" requested_reply=0 destination="org.freedesktop.NetworkManager" (uid=0 pid=3771 comm="/usr/sbin/NetworkManager --pid-file /var/run/Netwo")) May 6 13:58:40 potato dbus-daemon: Rejected send message, 11 matched rules; type="method_call", sender=":1.137" (uid=0 pid=12332 comm="/usr/sbin/pppd nodetach lock nodefaultroute ttyUSB") interface="org.freedesktop.NetworkManager.PPP" member="SetState" error name="(unset)" requested_reply=0 destination="org.freedesktop.NetworkManager" (uid=0 pid=3771 comm="/usr/sbin/NetworkManager --pid-file /var/run/Netwo")) May 6 13:58:40 potato dbus-daemon: Rejected send message, 11 matched rules; type="method_call", sender=":1.137" (uid=0 pid=12332 comm="/usr/sbin/pppd nodetach lock nodefaultroute ttyUSB") interface="org.freedesktop.NetworkManager.PPP" member="SetState" error name="(unset)" requested_reply=0 destination="org.freedesktop.NetworkManager" (uid=0 pid=3771 comm="/usr/sbin/NetworkManager --pid-file /var/run/Netwo")) May 6 13:58:40 potato dbus-daemon: Rejected send message, 11 matched rules; type="method_call", sender=":1.137" (uid=0 pid=12332 comm="/usr/sbin/pppd nodetach lock nodefaultroute ttyUSB") interface="org.freedesktop.NetworkManager.PPP" member="SetIp4Config" error name="(unset)" requested_reply=0 destination="org.freedesktop.NetworkManager" (uid=0 pid=3771 comm="/usr/sbin/NetworkManager --pid-file /var/run/Netwo")) May 6 13:58:56 potato dbus-daemon: Rejected send message, 11 matched rules; type="method_call", sender=":1.137" (uid=0 pid=12332 comm="/usr/sbin/pppd nodetach lock nodefaultroute ttyUSB") interface="org.freedesktop.NetworkManager.PPP" member="SetState" error name="(unset)" requested_reply=0 destination="org.freedesktop.NetworkManager" (uid=0 pid=3771 comm="/usr/sbin/NetworkManager --pid-file /var/run/Netwo")) May 6 13:58:56 potato dbus-daemon: Rejected send message, 11 matched rules; type="method_call", sender=":1.137" (uid=0 pid=12332 comm="/usr/sbin/pppd nodetach lock nodefaultroute ttyUSB") interface="org.freedesktop.NetworkManager.PPP" member="SetState" error name="(unset)" requested_reply=0 destination="org.freedesktop.NetworkManager" (uid=0 pid=3771 comm="/usr/sbin/NetworkManager --pid-file /var/run/Netwo")) May 6 13:58:56 potato dbus-daemon: Rejected send message, 11 matched rules; type="method_call", sender=":1.137" (uid=0 pid=12332 comm="/usr/sbin/pppd nodetach lock nodefaultroute ttyUSB") interface="org.freedesktop.NetworkManager.PPP" member="SetState" error name="(unset)" requested_reply=0 destination="org.freedesktop.NetworkManager" (uid=0 pid=3771 comm="/usr/sbin/NetworkManager --pid-file /var/run/Netwo")) May 6 13:58:56 potato dbus-daemon: Rejected send message, 11 matched rules; type="method_call", sender=":1.137" (uid=0 pid=12332 comm="/usr/sbin/pppd nodetach lock nodefaultroute ttyUSB") interface="org.freedesktop.NetworkManager.PPP" member="SetState" error name="(unset)" requested_reply=0 destination="org.freedesktop.NetworkManager" (uid=0 pid=3771 comm="/usr/sbin/NetworkManager --pid-file /var/run/Netwo"))
Alexander, I tried the changed file http:// launchpadlibrar ian.net/ 26395942/ NetworkManager. conf
This file did not help.
Here's grep -i ppp /var/log/auth.log:
May 6 13:58:07 potato dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.124" (uid=1000 pid=11447 comm="/ usr/lib/ indicator- applet/ indicator- applet --oaf-a") interface= "org.freedeskto p.DBus. Properties" member="Get" error name="(unset)" requested_reply=0 destination= ":1.133" (uid=0 pid=11796 comm="/ usr/sbin/ pppd nodetach lock nodefaultroute ttyUSB")) usr/lib/ indicator- applet/ indicator- applet --oaf-a") interface= "org.freedeskto p.DBus. Properties" member="Get" error name="(unset)" requested_reply=0 destination= ":1.137" (uid=0 pid=12332 comm="/ usr/sbin/ pppd nodetach lock nodefaultroute ttyUSB")) usr/sbin/ pppd nodetach lock nodefaultroute ttyUSB") interface= "org.freedeskto p.NetworkManage r.PPP" member="SetState" error name="(unset)" requested_reply=0 destination= "org.freedeskto p.NetworkManage r" (uid=0 pid=3771 comm="/ usr/sbin/ NetworkManager --pid-file /var/run/Netwo")) usr/sbin/ pppd nodetach lock nodefaultroute ttyUSB") interface= "org.freedeskto p.NetworkManage r.PPP" member="SetState" error name="(unset)" requested_reply=0 destination= "org.freedeskto p.NetworkManage r" (uid=0 pid=3771 comm="/ usr/sbin/ NetworkManager --pid-file /var/run/Netwo")) usr/sbin/ pppd nodetach lock nodefaultroute ttyUSB") interface= "org.freedeskto p.NetworkManage r.PPP" member="SetState" error name="(unset)" requested_reply=0 destination= "org.freedeskto p.NetworkManage r" (uid=0 pid=3771 comm="/ usr/sbin/ NetworkManager --pid-file /var/run/Netwo")) usr/sbin/ pppd nodetach lock nodefaultroute ttyUSB") interface= "org.freedeskto p.NetworkManage r.PPP" member="SetState" error name="(unset)" requested_reply=0 destination= "org.freedeskto p.NetworkManage r" (uid=0 pid=3771 comm="/ usr/sbin/ NetworkManager --pid-file /var/run/Netwo")) usr/sbin/ pppd nodetach lock nodefaultroute ttyUSB") interface= "org.freedeskto p.NetworkManage r.PPP" member="SetState" error name="(unset)" requested_reply=0 destination= "org.freedeskto p.NetworkManage r" (uid=0 pid=3771 comm="/ usr/sbin/ NetworkManager --pid-file /var/run/Netwo")) usr/sbin/ pppd nodetach lock nodefaultroute ttyUSB") interface= "org.freedeskto p.NetworkManage r.PPP" member= "SetIp4Config" error name="(unset)" requested_reply=0 destination= "org.freedeskto p.NetworkManage r" (uid=0 pid=3771 comm="/ usr/sbin/ NetworkManager --pid-file /var/run/Netwo")) usr/sbin/ pppd nodetach lock nodefaultroute ttyUSB") interface= "org.freedeskto p.NetworkManage r.PPP" member="SetState" error name="(unset)" requested_reply=0 destination= "org.freedeskto p.NetworkManage r" (uid=0 pid=3771 comm="/ usr/sbin/ NetworkManager --pid-file /var/run/Netwo")) usr/sbin/ pppd nodetach lock nodefaultroute ttyUSB") interface= "org.freedeskto p.NetworkManage r.PPP" member="SetState" error name="(unset)" requested_reply=0 destination= "org.freedeskto p.NetworkManage r" (uid=0 pid=3771 comm="/ usr/sbin/ NetworkManager --pid-file /var/run/Netwo")) usr/sbin/ pppd nodetach lock nodefaultroute ttyUSB") interface= "org.freedeskto p.NetworkManage r.PPP" member="SetState" error name="(unset)" requested_reply=0 destination= "org.freedeskto p.NetworkManage r" (uid=0 pid=3771 comm="/ usr/sbin/ NetworkManager --pid-file /var/run/Netwo")) usr/sbin/ pppd nodetach lock nodefaultroute ttyUSB") interface= "org.freedeskto p.NetworkManage r.PPP" member="SetState" error name="(unset)" requested_reply=0 destination= "org.freedeskto p.NetworkManage r" (uid=0 pid=3771 comm="/ usr/sbin/ NetworkManager --pid-file /var/run/Netwo"))
May 6 13:58:40 potato dbus-daemon: Rejected send message, 1 matched rules; type="method_call", sender=":1.124" (uid=1000 pid=11447 comm="/
May 6 13:58:40 potato dbus-daemon: Rejected send message, 11 matched rules; type="method_call", sender=":1.137" (uid=0 pid=12332 comm="/
May 6 13:58:40 potato dbus-daemon: Rejected send message, 11 matched rules; type="method_call", sender=":1.137" (uid=0 pid=12332 comm="/
May 6 13:58:40 potato dbus-daemon: Rejected send message, 11 matched rules; type="method_call", sender=":1.137" (uid=0 pid=12332 comm="/
May 6 13:58:40 potato dbus-daemon: Rejected send message, 11 matched rules; type="method_call", sender=":1.137" (uid=0 pid=12332 comm="/
May 6 13:58:40 potato dbus-daemon: Rejected send message, 11 matched rules; type="method_call", sender=":1.137" (uid=0 pid=12332 comm="/
May 6 13:58:40 potato dbus-daemon: Rejected send message, 11 matched rules; type="method_call", sender=":1.137" (uid=0 pid=12332 comm="/
May 6 13:58:56 potato dbus-daemon: Rejected send message, 11 matched rules; type="method_call", sender=":1.137" (uid=0 pid=12332 comm="/
May 6 13:58:56 potato dbus-daemon: Rejected send message, 11 matched rules; type="method_call", sender=":1.137" (uid=0 pid=12332 comm="/
May 6 13:58:56 potato dbus-daemon: Rejected send message, 11 matched rules; type="method_call", sender=":1.137" (uid=0 pid=12332 comm="/
May 6 13:58:56 potato dbus-daemon: Rejected send message, 11 matched rules; type="method_call", sender=":1.137" (uid=0 pid=12332 comm="/