My 15.04 will not upgrade successfully either through apt-get or otherwise. The files will download but I receive the following errors. So far I've found no solution. Udev and insserv seem to be the problem areas. Also, the machine is a server and it will not allow connections to it either through Owncloud, SSH, SFTP, or via the web address.
Fetched 151 MB in 15min 19s (164 kB/s)
Extracting templates from packages: 100%
Preconfiguring packages ...
Setting up udev (219-7ubuntu6) ...
update-initramfs: deferring update (trigger activated)
insserv: warning: script 'ehcp_daemon.py' missing LSB tags and overrides
insserv: warning: script 'ehcp' missing LSB tags and overrides
insserv: There is a loop between service monit and ehcp_daemon.py if stopped
insserv: loop involving service ehcp_daemon.py at depth 2
insserv: loop involving service monit at depth 1
insserv: Stopping ehcp_daemon.py depends on monit and therefore on system facility `$all' which can not be true!
insserv: Stopping ehcp depends on monit and therefore on system facility `$all' which can not be true!
insserv: exiting now without changing boot order!
update-rc.d: error: insserv rejected the script header
dpkg: error processing package udev (--configure):
subprocess installed post-installation script returned error exit status 1
Processing triggers for initramfs-tools (0.103ubuntu15) ...
update-initramfs: Generating /boot/initrd.img-3.19.8-992-lowlatency
Errors were encountered while processing:
udev
E: Sub-process /usr/bin/dpkg returned an error code (1)
