apt-get install --reinstall nfs-common出错。

nehc

root@WAP-GW-BMCC-006:~# apt-get install --reinstall nfs-common nfs-kernel-server portmap
Reading Package Lists... Done
Building Dependency Tree... Done
0 packages upgraded, 0 newly installed, 3 reinstalled, 0 to remove and 142  not upgraded.
1 packages not fully installed or removed.
Need to get 0B/80.2kB of archives. After unpacking 0B will be used.
Do you want to continue? [Y/n] y
(Reading database ... 16331 files and directories currently installed.)
Preparing to replace nfs-common 1:1.0.6-3.1 (using .../nfs-common_1%3a1.0.6-3.1_i386.deb) ...
Unpacking replacement nfs-common ...
Preparing to replace portmap 5-9 (using .../archives/portmap_5-9_i386.deb) ...
Stopping portmap daemon: portmap.
Unpacking replacement portmap ...
Setting up portmap (5-9) ...
Starting portmap daemon: portmap.
Restoring old RPC service information...done.

Setting up nfs-common (1.0.6-3.1) ...
Stopping NFS common utilities: statd.
Starting NFS common utilities: statd.

Setting up nfs-kernel-server (1.0.6-3.1) ...
Stopping NFS kernel daemon: mountd nfsd.
Unexporting directories for NFS kernel daemon...done.
Exporting directories for NFS kernel daemon...done.
Starting NFS kernel daemon: nfsdinvoke-rc.d: initscript nfs-kernel-server, action "restart" failed.
dpkg: error processing nfs-kernel-server (--configure):
subprocess post-installation script returned error exit status 1
Errors were encountered while processing:
nfs-kernel-server
E: Sub-process /usr/bin/dpkg returned an error code (1)
root@WAP-GW-BMCC-006:~#                                 

请教，为何阿？
非常抱歉，我不熟悉debian。我自己用suse。服务器用的是debian。