In /etc/sysconfig/nfs arguments to nfs-mountd are passed in a variable called RPCMOUNTDOPTS, but /usr/lib/systemd/system/nfs-mountd.service uses a variable with a different name: RPCMOUNTDARGS. The result is that arguments to nfs-mountd are not passed on as they should be. nfs-utils.x86_64 1:1.2.6-0.fc17 systemd.x86_64 44-12.fc17
The systemd units for nfs services are in the nfs-utils package. Reassigning.