nz00103 hg # /etc/init.d/nfs status
 * status:  started
nz00103 hg # /etc/init.d/nfs restart
 * Stopping NFS mountd ...
No /usr/sbin/rpc.mountd found running; none killed.                       [ ok ]
 * Stopping NFS daemon ...                                                [ ok ]
 * Exporting NFS directories ...                                          [ ok ]
 * Starting NFS mountd ...
rpc.mountd: svc_tli_create: could not open connection for udp6
rpc.mountd: svc_tli_create: could not open connection for tcp6
rpc.mountd: svc_tli_create: could not open connection for udp6
rpc.mountd: svc_tli_create: could not open connection for tcp6
rpc.mountd: svc_tli_create: could not open connection for udp6
rpc.mountd: svc_tli_create: could not open connection for tcp6            [ !! ]
 * Starting NFS daemon ...
rpc.nfsd: unable to create inet6 TCP socket: errno 97 (Address family not supported by protocol)                                                          [ ok ]
 * Starting NFS smnotify ...                                              [ ok ]
nz00103 hg # 

nz00103 hg # /etc/init.d/nfs status
 * status:  stopped

nz00103 hg # nz00103 hg # /etc/init.d/nfs start 
 * Exporting NFS directories ...                                          [ ok ]
 * Starting NFS mountd ...
rpc.mountd: svc_tli_create: could not open connection for udp6
rpc.mountd: svc_tli_create: could not open connection for tcp6
rpc.mountd: svc_tli_create: could not open connection for udp6
rpc.mountd: svc_tli_create: could not open connection for tcp6
rpc.mountd: svc_tli_create: could not open connection for udp6
rpc.mountd: svc_tli_create: could not open connection for tcp6            [ !! ]
 * Starting NFS daemon ...                                                [ ok ]
 * Starting NFS smnotify ...                                              [ ok ]

nz00103 hg # /etc/init.d/nfs status
 * status:  stopped
nz00103 hg # 

nz00103 hg # ps -ef|grep nfs
root      5810     2  0 14:34 ?        00:00:00 [nfsd4]
root      5811     2  6 14:34 ?        00:00:20 [nfsd]
:::
root      5842     2  6 14:34 ?        00:00:20 [nfsd]
nz00103 hg # 

###
### after emerge nfs-utils with USE="-ipv6" :
###

nz00103 hg # /etc/init.d/nfs status
 * status:  stopped
nz00103 hg # /etc/init.d/nfs stop  
 * WARNING:  nfs has not yet been started.
nz00103 hg # /etc/init.d/nfs restart
 * WARNING:  nfs has not yet been started.
 * Exporting NFS directories ...                                          [ ok ]
 * Starting NFS mountd ...                                                [ !! ]
 * Starting NFS daemon ...                                                [ ok ]
 * Starting NFS smnotify ...                                              [ ok ]

nz00103 hg # /etc/init.d/nfs status 
 * status:  stopped
nz00103 hg # /etc/init.d/nfs stop  
 * WARNING:  nfs has not yet been started.
nz00103 hg # 
nz00103 hg # /etc/init.d/nfs start
 * Exporting NFS directories ...                                          [ ok ]
 * Starting NFS mountd ...                                                [ !! ]
 * Starting NFS daemon ...                                                [ ok ]
 * Starting NFS smnotify ...                                              [ ok ]
nz00103 hg # /etc/init.d/nfs status
 * status:  stopped
nz00103 hg #

nz00103 hg # /etc/init.d/nfs stop  
 * WARNING:  nfs has not yet been started.
nz00103 hg 

nz00103 hg # ps -ef|grep nfs
root      5810     2  0 14:34 ?        00:00:00 [nfsd4]
root      5811     2  3 14:34 ?        00:00:37 [nfsd]
:::
root      5842     2  2 14:34 ?        00:00:24 [nfsd]
root     14791 27319  0 14:53 pts/0    00:00:00 grep --colour=auto nfs
nz00103 hg #