I had reviewed this answer:
But did not see a resolution to my issue.
After typical setup of private network with genesis block init and then startup I see established connections in lsof that geth has made:
though admin.peers shows 
tcpdump on port 30303 shows requests going to outside nodes though no responses come back (only ">" seen not "<").
So what is nodiscover really doing as it seems to be discovering quite a bit?