no nfs access after upgrade v14 -> v15

After upgrading, I can no longer access my ns2 via nfs from my Raspberry pi.
I checked /etc/exports and everything looks fine.
Can someone confirm that nfs still works or how I can troubleshoot the matter further?
I checked /etc/exports and everything looks fine.
Can someone confirm that nfs still works or how I can troubleshoot the matter further?