Preparing to unpack .../nfs-common_1%3a1.2.8-9ubuntu12.1_amd64.deb ...
Unpacking nfs-common (1:1.2.8-9ubuntu12.1) over (1:1.2.8-9ubuntu12.1) ...
Preparing to unpack .../nfs-kernel-server_1%3a1.2.8-9ubuntu12.1_amd64.deb ...
Unpacking nfs-kernel-server (1:1.2.8-9ubuntu12.1) over (1:1.2.8-9ubuntu12.1) ...
Processing triggers for ureadahead (0.100.0-19) ...
Processing triggers for systemd (229-4ubuntu17) ...
Processing triggers for man-db (2.7.5-1) ...
Setting up nfs-common (1:1.2.8-9ubuntu12.1) ...
Setting up nfs-kernel-server (1:1.2.8-9ubuntu12.1) ...
Job for nfs-server.service failed because the control process exited with error code. See "systemctl status nfs-server.service" and "journalctl -xe" for details.
invoke-rc.d: initscript nfs-kernel-server, action "restart" failed.
● nfs-server.service - NFS server and services
   Loaded: loaded (/lib/systemd/system/nfs-server.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Wed 2017-07-19 19:22:38 CDT; 11ms ago
  Process: 12055 ExecStartPre=/usr/sbin/exportfs -r (code=exited, status=22)
 Main PID: 1176 (code=exited, status=0/SUCCESS)

Jul 19 19:22:38 daleb4970-GA-970A-UD3 systemd[1]: Starting NFS server and services...
Jul 19 19:22:38 daleb4970-GA-970A-UD3 exportfs[12055]: exportfs: /etc/exports:1: unknown keyword "gsid=0"
Jul 19 19:22:38 daleb4970-GA-970A-UD3 systemd[1]: nfs-server.service: Control process exited, code=exited status=22
Jul 19 19:22:38 daleb4970-GA-970A-UD3 systemd[1]: Failed to start NFS server and services.
Jul 19 19:22:38 daleb4970-GA-970A-UD3 systemd[1]: nfs-server.service: Unit entered failed state.
Jul 19 19:22:38 daleb4970-GA-970A-UD3 systemd[1]: nfs-server.service: Failed with result 'exit-code'.
dpkg: error processing package nfs-kernel-server (--configure):
 subprocess installed post-installation script returned error exit status 1