missing netstat depends on bionic

May 23 14:07:20 ubuntu x11vnc[404]: --- x11vnc loop: waiting for: 13023
May 23 14:07:20 ubuntu x11vnc[404]: 23/05/2018 14:07:20 passing arg to libvncserver: -rfbauth
May 23 14:07:20 ubuntu x11vnc[404]: 23/05/2018 14:07:20 passing arg to libvncserver: /home/ubuntu/.vnc/passwd
May 23 14:07:20 ubuntu x11vnc[404]: 23/05/2018 14:07:20 passing arg to libvncserver: -rfbport
May 23 14:07:20 ubuntu x11vnc[404]: 23/05/2018 14:07:20 passing arg to libvncserver: 5900
May 23 14:07:20 ubuntu x11vnc[404]: 23/05/2018 14:07:20 x11vnc version: 0.9.13 lastmod: 2011-08-10 pid: 13023
May 23 14:07:21 ubuntu x11vnc[404]: /tmp/fd.xNsV7I: 1: /tmp/fd.xNsV7I: netstat: not found
May 23 14:07:21 ubuntu x11vnc[404]: xauth: unable to generate an authority file name
May 23 14:07:21 ubuntu x11vnc[404]: /tmp/fd.xNsV7I: 1: /tmp/fd.xNsV7I: netstat: not found
May 23 14:07:21 ubuntu x11vnc[404]: 23/05/2018 14:07:21 -auth guess: failed for display='unset'
May 23 14:07:21 ubuntu x11vnc[404]: 23/05/2018 14:07:21 -auth guess: since we are root, retrying with FD_XDM=1
May 23 14:07:21 ubuntu x11vnc[404]: /tmp/fd.eegh2M: 1: /tmp/fd.eegh2M: netstat: not found
May 23 14:07:21 ubuntu x11vnc[404]: 23/05/2018 14:07:21 -auth guess: failed for display='unset'
May 23 14:07:21 ubuntu x11vnc[404]: --- x11vnc loop: sleeping 2000 ms ---

root@ubuntu:~# cat /lib/systemd/system/x11vnc.service
[Unit]
Description=Start x11vnc at startup.
After=multi-user.target

[Service]
Type=simple
ExecStart=/usr/bin/x11vnc -auth guess -forever -loop -noxdamage -repeat -rfbauth /home/ubuntu/.vnc/passwd -rfbport 5900 -shared

[Install]
WantedBy=multi-user.target