I've resolved adding a section in file /etc/dbus-1/system.d/nm-applet.conf: <pre> <policy group="netdev"> <allow own="org.freedesktop.NetworkManagerInfo"/>
<allow send_destination="org.freedesktop.NetworkManagerInfo"/> <allow send_interface="org.freedesktop.NetworkManagerInfo"/> </policy> </pre>
I've resolved adding a section in file /etc/dbus- 1/system. d/nm-applet. conf: freedesktop. NetworkManagerI nfo"/>
<pre>
<policy group="netdev">
<allow own="org.
<allow send_destinatio n="org. freedesktop. NetworkManagerI nfo"/> "org.freedeskto p.NetworkManage rInfo"/ >
<allow send_interface=
</policy>
</pre>