I cca two days the same problem. Two Core CPU's all time on 60% and nm-applet not shown on panel:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 459 root 20 0 45500 868 680 S 62,2 0,0 53:20.26 systemd-logind 25499 root 20 0 25708 1344 1120 R 58,2 0,0 1:55.28 cgmanager
I cca two days the same problem. Two Core CPU's all time on 60% and nm-applet not shown on panel:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
459 root 20 0 45500 868 680 S 62,2 0,0 53:20.26 systemd-logind
25499 root 20 0 25708 1344 1120 R 58,2 0,0 1:55.28 cgmanager