I am having the same issue.
root@ilsbnode2:~# apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages have been kept back:
ceph-common glusterfs-client glusterfs-common librados2 librbd1 python-ceph tar
The following packages will be upgraded:
libcurl3-gnutls libnss3 libxi6
3 upgraded, 0 newly installed, 0 to remove and 7 not upgraded.
28 not fully installed or removed.
Need to get 401 kB/1,536 kB of archives.
After this operation, 1,024 B of additional disk space will be used.
Do you want to continue [Y/n]? y
Get:1 http://security.debian.org/ wheezy/updates/main libcurl3-gnutls amd64 7.26.0-1+wheezy18 [325 kB]
Get:2 http://security.debian.org/ wheezy/updates/main libxi6 amd64 2:1.6.1-1+deb7u3 [76.4 kB]
Fetched 401 kB in 0s (1,541 kB/s)
Reading changelogs... Done
Setting up initscripts (2.88dsf-41+deb7u1) ...
insserv: There is a loop between service zfs-mount and zfs-import if stopped
insserv: loop involving service zfs-import at depth 3
insserv: loop involving service zfs-mount at depth 2
insserv: loop involving service vzeventd at depth 1
insserv: loop involving service networking at depth 2
insserv: There is a loop between service zfs-import and zfs-mount if stopped
insserv: loop involving service umountfs at depth 17
insserv: exiting now without changing boot order!
update-rc.d: error: insserv rejected the script header
dpkg: error processing initscripts (--configure):
subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
initscripts
E: Sub-process /usr/bin/dpkg returned an error code (1)
root@ilsbnode2:~#
In addition, the pve service will not start
root@ilsbnode2:~# apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages have been kept back:
ceph-common glusterfs-client glusterfs-common librados2 librbd1 python-ceph tar
The following packages will be upgraded:
libcurl3-gnutls libnss3 libxi6
3 upgraded, 0 newly installed, 0 to remove and 7 not upgraded.
28 not fully installed or removed.
Need to get 401 kB/1,536 kB of archives.
After this operation, 1,024 B of additional disk space will be used.
Do you want to continue [Y/n]? y
Get:1 http://security.debian.org/ wheezy/updates/main libcurl3-gnutls amd64 7.26.0-1+wheezy18 [325 kB]
Get:2 http://security.debian.org/ wheezy/updates/main libxi6 amd64 2:1.6.1-1+deb7u3 [76.4 kB]
Fetched 401 kB in 0s (1,541 kB/s)
Reading changelogs... Done
Setting up initscripts (2.88dsf-41+deb7u1) ...
insserv: There is a loop between service zfs-mount and zfs-import if stopped
insserv: loop involving service zfs-import at depth 3
insserv: loop involving service zfs-mount at depth 2
insserv: loop involving service vzeventd at depth 1
insserv: loop involving service networking at depth 2
insserv: There is a loop between service zfs-import and zfs-mount if stopped
insserv: loop involving service umountfs at depth 17
insserv: exiting now without changing boot order!
update-rc.d: error: insserv rejected the script header
dpkg: error processing initscripts (--configure):
subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
initscripts
E: Sub-process /usr/bin/dpkg returned an error code (1)
root@ilsbnode2:~#
In addition, the pve service will not start