NFS will not start, "service nfs start" gives no output

Issue

• When attempting to start nfs, no output is returned from the command:

# service nfs start

• Additionally, despite the fact that nfs is not running, attempting to restart it fails:

# service nfs status
rpc.svcgssd is stopped
rpc.mountd is stopped
nfsd is stopped
rpc.rquotad is stopped 

# service nfs restart
Shutting down NFS daemon:                                  [FAILED]
Shutting down NFS mountd:                                  [FAILED]
Shutting down NFS quotas:                                  [FAILED]