nm-applet fails to start and shows
** (nm-applet:3006): WARNING **: nma_dbus_init(): could not acquire its service. dbus_bus_acquire_service() says: 'Connection ":1.17" is not allowed to own the service "org.freedesktop.NetworkManagerInfo" due to security policies in the configuration file'
The following solution worked for me,
user (skumar) is not a member of group netdev.