Many users have tried to use nfs inside of a jail and it's not possible says; http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/133265 NFS has to be made jail-friendly.
State Changed From-To: open->suspended Mark suspended awaiting patch.
Responsible Changed From-To: freebsd-bugs->freebsd-fs reclassify.
State Changed From-To: suspended->closed Duplicate of referenced PR.
If this is a Duplicate request what then is the original pr number this one duplicates
kern/133265, as you wrote in the Description. Chris