root@irc:/etc/network# /etc/init.d/networking restart
[....] Restarting networking (via systemctl): networking.serviceJob for networki                           ng.service failed because the control process exited with error code. See "syste                           mctl status networking.service" and "journalctl -xe" for details.
 failed!
root@irc:/etc/network# systemctl restart networking
Job for networking.service failed because the control process exited with error                            code. See "systemctl status networking.service" and "journalctl -xe" for details                           .
root@irc:/etc/network# systemctl restart networking.service
Job for networking.service failed because the control process exited with error code. See "systemctl status networking.service" and "journalctl -xe" for details.