dpkg: update-rc.d error

root@host:/tmp# dpkg --debug=10333 -i openssh-sshd_6.1p1-r0_armel.deb
D000010: ensure_pathname_nonexisting '/var/lib/dpkg/tmp.ci'
(Reading database ... 12360 files and directories currently installed.)
Preparing to replace openssh-sshd 6.1p1-r0 (using openssh-sshd_6.1p1-r0_armel.deb) ...
D000200: process_archive conffile '/etc/ssh/sshd_config' in package openssh-sshd:armel - conff ?
D000020: process_archive conffile '/etc/ssh/sshd_config' package=openssh-sshd:armel same hash=newconffile
D000200: oldconffsetflags '/etc/ssh/sshd_config' namenode 0x2c5558 flags 5
D000001: process_archive oldversionstatus=broken due to failed removal or installation
Running useradd commands...
Note: username sshd already exists, not re-creating it
Unpacking replacement openssh-sshd ...
D000010: tarobject ti->name='.' mode=40755 owner=0.0 type=53(d) ti->linkname='' namenode='/.' flags=2 instead='<none>'
D000100: setupvnamevbs main='/.' tmp='/..dpkg-tmp' new='/..dpkg-new'
D000100: tarobject already exists
D000100: tarobject directory exists
D000010: tarobject ti->name='./etc' mode=40755 owner=0.0 type=53(d) ti->linkname='' namenode='/etc' flags=2 instead='<none>'
D000100: setupvnamevbs main='/etc' tmp='/etc.dpkg-tmp' new='/etc.dpkg-new'
D000100: tarobject already exists
D000100: tarobject directory exists
D000010: tarobject ti->name='./etc/ssh' mode=40755 owner=0.0 type=53(d) ti->linkname='' namenode='/etc/ssh' flags=2 instead='<none>'
D000100: setupvnamevbs main='/etc/ssh' tmp='/etc/ssh.dpkg-tmp' new='/etc/ssh.dpkg-new'
D000100: tarobject already exists
D000100: tarobject directory exists
D000010: tarobject ti->name='./etc/ssh/moduli' mode=100644 owner=0.0 type=48(-) ti->linkname='' namenode='/etc/ssh/moduli' flags=2 instead='<none>'
D000100: setupvnamevbs main='/etc/ssh/moduli' tmp='/etc/ssh/moduli.dpkg-tmp' new='/etc/ssh/moduli.dpkg-new'
D000100: tarobject already exists
D000010: ensure_pathname_nonexisting '/etc/ssh/moduli.dpkg-new'
D000010: ensure_pathname_nonexisting '/etc/ssh/moduli.dpkg-tmp'
D000100: tarobject file open size=245058
D000100: tarobject file hash=d8c3f065595c0db6469fde319e0e9604
D000100: tarobject nondirectory, 'link' backup
D000100: tarobject done and installation deferred
D000010: tarobject ti->name='./etc/ssh/sshd_config' mode=100644 owner=0.0 type=48(-) ti->linkname='' namenode='/etc/ssh/sshd_config' flags=7 instead='<none>'
D000200: conffderef in='etc/ssh/sshd_config' current working='/etc/ssh/sshd_config'
D000020: conffderef in='etc/ssh/sshd_config' result='/etc/ssh/sshd_config'
D000020: tarobject fnnf_new_conff deref='etc/ssh/sshd_config'
D000100: setupvnamevbs main='/etc/ssh/sshd_config' tmp='/etc/ssh/sshd_config.dpkg-tmp' new='/etc/ssh/sshd_config.dpkg-new'
D000100: tarobject already exists
D000010: ensure_pathname_nonexisting '/etc/ssh/sshd_config.dpkg-new'
D000010: ensure_pathname_nonexisting '/etc/ssh/sshd_config.dpkg-tmp'
D000100: tarobject file open size=3295
D000100: tarobject file hash=ee3b6057714900530e4c38ec933536ec
D000200: tarobject conffile extracted
D000010: tarobject ti->name='./etc/init.d' mode=40755 owner=0.0 type=53(d) ti->linkname='' namenode='/etc/init.d' flags=2 instead='<none>'
D000100: setupvnamevbs main='/etc/init.d' tmp='/etc/init.d.dpkg-tmp' new='/etc/init.d.dpkg-new'
D000100: tarobject already exists
D000100: tarobject directory exists
D000010: tarobject ti->name='./etc/init.d/sshd' mode=100755 owner=0.0 type=48(-) ti->linkname='' namenode='/etc/init.d/sshd' flags=2 instead='<none>'
D000100: setupvnamevbs main='/etc/init.d/sshd' tmp='/etc/init.d/sshd.dpkg-tmp' new='/etc/init.d/sshd.dpkg-new'
D000100: tarobject already exists
D000010: ensure_pathname_nonexisting '/etc/init.d/sshd.dpkg-new'
D000010: ensure_pathname_nonexisting '/etc/init.d/sshd.dpkg-tmp'
D000100: tarobject file open size=2144
D000100: tarobject file hash=69f9dc000a545d5e44611f96528db7bc
D000100: tarobject nondirectory, 'link' backup
D000100: tarobject done and installation deferred
D000010: tarobject ti->name='./usr' mode=40755 owner=0.0 type=53(d) ti->linkname='' namenode='/usr' flags=2 instead='<none>'
D000100: setupvnamevbs main='/usr' tmp='/usr.dpkg-tmp' new='/usr.dpkg-new'
D000100: tarobject already exists
D000100: tarobject directory exists
D000010: tarobject ti->name='./usr/sbin' mode=40755 owner=0.0 type=53(d) ti->linkname='' namenode='/usr/sbin' flags=2 instead='<none>'
D000100: setupvnamevbs main='/usr/sbin' tmp='/usr/sbin.dpkg-tmp' new='/usr/sbin.dpkg-new'
D000100: tarobject already exists
D000100: tarobject directory exists
D000010: tarobject ti->name='./usr/sbin/sshd' mode=100755 owner=0.0 type=48(-) ti->linkname='' namenode='/usr/sbin/sshd' flags=2 instead='<none>'
D000100: setupvnamevbs main='/usr/sbin/sshd' tmp='/usr/sbin/sshd.dpkg-tmp' new='/usr/sbin/sshd.dpkg-new'
D000100: tarobject already exists
D000010: ensure_pathname_nonexisting '/usr/sbin/sshd.dpkg-new'
D000010: ensure_pathname_nonexisting '/usr/sbin/sshd.dpkg-tmp'
D000100: tarobject file open size=413524
D000100: tarobject file hash=1876ee44ddee6a5995312e05cbc996a8
D000100: tarobject nondirectory, 'link' backup
D000100: tarobject done and installation deferred
D000100: setupvnamevbs main='/etc/ssh/moduli' tmp='/etc/ssh/moduli.dpkg-tmp' new='/etc/ssh/moduli.dpkg-new'
D000100: setupvnamevbs main='/etc/ssh/sshd_config' tmp='/etc/ssh/sshd_config.dpkg-tmp' new='/etc/ssh/sshd_config.dpkg-new'
D000100: setupvnamevbs main='/etc/init.d/sshd' tmp='/etc/init.d/sshd.dpkg-tmp' new='/etc/init.d/sshd.dpkg-new'
D000100: setupvnamevbs main='/usr/sbin/sshd' tmp='/usr/sbin/sshd.dpkg-tmp' new='/usr/sbin/sshd.dpkg-new'
D000010: deferred extract of '/.'
D000010: deferred extract of '/etc'
D000010: deferred extract of '/etc/ssh'
D000010: deferred extract of '/etc/ssh/moduli'
D000100: setupvnamevbs main='/etc/ssh/moduli' tmp='/etc/ssh/moduli.dpkg-tmp' new='/etc/ssh/moduli.dpkg-new'
D000100: deferred extract needs fsync
D000100: deferred extract needs rename
D000100: deferred extract done and installed
D000010: deferred extract of '/etc/ssh/sshd_config'
D000010: deferred extract of '/etc/init.d'
D000010: deferred extract of '/etc/init.d/sshd'
D000100: setupvnamevbs main='/etc/init.d/sshd' tmp='/etc/init.d/sshd.dpkg-tmp' new='/etc/init.d/sshd.dpkg-new'
D000100: deferred extract needs fsync
D000100: deferred extract needs rename
D000100: deferred extract done and installed
D000010: deferred extract of '/usr'
D000010: deferred extract of '/usr/sbin'
D000010: deferred extract of '/usr/sbin/sshd'
D000100: setupvnamevbs main='/usr/sbin/sshd' tmp='/usr/sbin/sshd.dpkg-tmp' new='/usr/sbin/sshd.dpkg-new'
D000100: deferred extract needs fsync
D000100: deferred extract needs rename
D000100: deferred extract done and installed
update-rc.d: /etc/init.d/sshd exists during rc.d purge (use -f to force)
dpkg: warning: subprocess old post-removal script returned error exit status 1
dpkg: trying script from the new package instead ...
update-rc.d: /etc/init.d/sshd exists during rc.d purge (use -f to force)
dpkg: error processing openssh-sshd_6.1p1-r0_armel.deb (--install):
 subprocess new post-removal script returned error exit status 1
Running useradd commands...
Note: username sshd already exists, not re-creating it
D000010: cu_installnew '/usr/sbin/sshd' flags=122
D000100: setupvnamevbs main='//usr/sbin/sshd' tmp='//usr/sbin/sshd.dpkg-tmp' new='//usr/sbin/sshd.dpkg-new'
D000100: cu_installnew restoring atomic
D000100: secure_remove '//usr/sbin/sshd.dpkg-new' rmdir No such file or directory
D000010: cu_installnew '/etc/init.d/sshd' flags=122
D000100: setupvnamevbs main='//etc/init.d/sshd' tmp='//etc/init.d/sshd.dpkg-tmp' new='//etc/init.d/sshd.dpkg-new'
D000100: cu_installnew restoring atomic
D000100: secure_remove '//etc/init.d/sshd.dpkg-new' rmdir No such file or directory
D000010: cu_installnew '/etc/ssh/sshd_config' flags=227
D000100: setupvnamevbs main='//etc/ssh/sshd_config' tmp='//etc/ssh/sshd_config.dpkg-tmp' new='//etc/ssh/sshd_config.dpkg-new'
D000100: cu_installnew not restoring
D000100: secure_remove '//etc/ssh/sshd_config.dpkg-new' unlink OK
D000010: cu_installnew '/etc/ssh/moduli' flags=122
D000100: setupvnamevbs main='//etc/ssh/moduli' tmp='//etc/ssh/moduli.dpkg-tmp' new='//etc/ssh/moduli.dpkg-new'
D000100: cu_installnew restoring atomic
D000100: secure_remove '//etc/ssh/moduli.dpkg-new' rmdir No such file or directory
update-rc.d: /etc/init.d/sshd exists during rc.d purge (use -f to force)
dpkg: error while cleaning up:
 subprocess new post-removal script returned error exit status 1
D000010: ensure_pathname_nonexisting '/var/lib/dpkg/tmp.ci'
D000010: ensure_pathname_nonexisting running rm -rf '/var/lib/dpkg/tmp.ci'
D000010: ensure_pathname_nonexisting '/var/lib/dpkg/reassemble.deb'
D010000: trigproc_run_deferred
Errors were encountered while processing:
 openssh-sshd_6.1p1-r0_armel.deb