Here's the log from var/log/syslog with a failed connection
Mar 12 18:21:02 sergey-NFORCE6M-A gnome-session[1092]: (nm-applet:1391):
nm-applet-WARNING **: Could not find ShellVersion property on org.gnome.Shell
after 5 tries
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: (enp4s0):
Activation: starting connection 'Televox' (e6d047b5-1dec-400e-b4aa-5675db64baf6)
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: (enp4s0): device
state change: disconnected -> prepare (reason 'none') [30 40 0]
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: NetworkManager
state is now CONNECTING
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: (enp4s0): device
state change: prepare -> config (reason 'none') [40 50 0]
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: (enp4s0): device
state change: config -> ip-config (reason 'none') [50 70 0]
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: starting PPP
connection
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: pppd started
with pid 1460
Mar 12 18:21:06 sergey-NFORCE6M-A pppd[1460]: Plugin rp-pppoe.so loaded.
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: Plugin rp-pppoe.so
loaded.
Mar 12 18:21:06 sergey-NFORCE6M-A pppd[1460]: Plugin
/usr/lib/pppd/2.4.6/nm-pppd-plugin.so loaded.
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: Plugin
/usr/lib/pppd/2.4.6/nm-pppd-plugin.so loaded.
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: nm-pppd-plugin-Message:
nm-ppp-plugin: (plugin_init): initializing
Mar 12 18:21:06 sergey-NFORCE6M-A pppd[1460]: pppd 2.4.6 started by root, uid 0
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: nm-pppd-plugin-Message:
nm-ppp-plugin: (nm_phasechange): status 3 / phase 'serial connection'
Mar 12 18:21:06 sergey-NFORCE6M-A kernel: [ 50.281513] NET: Registered
protocol family 24
Mar 12 18:21:06 sergey-NFORCE6M-A pppd[1460]: PPP session is 54830
Mar 12 18:21:06 sergey-NFORCE6M-A pppd[1460]: Connected to 10:f3:11:b3:36:10
via interface enp4s0
Mar 12 18:21:06 sergey-NFORCE6M-A pppd[1460]: Using interface ppp0
Mar 12 18:21:06 sergey-NFORCE6M-A pppd[1460]: Connect: ppp0 <--> enp4s0
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]:
nm_device_get_device_type: assertion 'NM_IS_DEVICE (self)' failed
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: (ppp0): new
Generic device (carrier: UNKNOWN, driver: 'unknown', ifindex: 3)
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: PPP session is 54830
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: Connected to
10:f3:11:b3:36:10 via interface enp4s0
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: Using interface ppp0
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: Connect: ppp0 <--> enp4s0
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: nm-pppd-plugin-Message:
nm-ppp-plugin: (nm_phasechange): status 5 / phase 'establish'
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: nm-pppd-plugin-Message:
nm-ppp-plugin: (nm_phasechange): status 6 / phase 'authenticate'
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: nm-pppd-plugin-Message:
nm-ppp-plugin: (get_credentials): passwd-hook, requesting credentials...
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: nm-pppd-plugin-Message:
nm-ppp-plugin: (get_credentials): got credentials from NetworkManager
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: devices added
(path: /sys/devices/virtual/net/ppp0, iface: ppp0)
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: device added
(path: /sys/devices/virtual/net/ppp0, iface: ppp0): no ifupdown configuration
found.
Mar 12 18:21:06 sergey-NFORCE6M-A pppd[1460]: CHAP authentication succeeded
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: CHAP authentication
succeeded
Mar 12 18:21:06 sergey-NFORCE6M-A pppd[1460]: CHAP authentication succeeded
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: CHAP authentication
succeeded
Mar 12 18:21:06 sergey-NFORCE6M-A pppd[1460]: peer from calling number
10:F3:11:B3:36:10 authorized
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: peer from calling number
10:F3:11:B3:36:10 authorized
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: nm-pppd-plugin-Message:
nm-ppp-plugin: (nm_phasechange): status 8 / phase 'network'
Mar 12 18:21:06 sergey-NFORCE6M-A pppd[1460]: local IP address 91.142.155.223
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: local IP address
91.142.155.223
Mar 12 18:21:06 sergey-NFORCE6M-A pppd[1460]: remote IP address 159.255.15.1
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: remote IP address
159.255.15.1
Mar 12 18:21:06 sergey-NFORCE6M-A pppd[1460]: primary DNS address
91.142.144.254
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: primary DNS address
91.142.144.254
Mar 12 18:21:06 sergey-NFORCE6M-A pppd[1460]: secondary DNS address 8.8.8.8
Mar 12 18:21:06 sergey-NFORCE6M-A NetworkManager[542]: secondary DNS address
8.8.8.8
Mar 12 18:21:06 serge