Reading package lists...
Building dependency tree...
Reading state information...
zabbix-server-mysql is already the newest version (1:4.0.2-1+xenial).
0 upgraded, 0 newly installed, 0 to remove and 215 not upgraded.
4 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] Setting up apache2 (2.4.18-2ubuntu3.9) ...
insserv: warning: script 'S20nginx' missing LSB tags and overrides
insserv: warning: script 'S20redis' missing LSB tags and overrides
insserv: warning: script 'redis' missing LSB tags and overrides
insserv: warning: script 'nginx' missing LSB tags and overrides
insserv: There is a loop between service nginx and urandom if started
insserv: loop involving service urandom at depth 4
insserv: loop involving service hwclock at depth 3
insserv: There is a loop between service plymouth and udev if started
insserv: loop involving service udev at depth 1

update-rc.d: error: insserv rejected the script header
dpkg: error processing package apache2 (--configure):
 subprocess installed post-installation script returned error exit status 1
Setting up zabbix-server-mysql (1:4.0.2-1+xenial) ...
insserv: warning: script 'S20nginx' missing LSB tags and overrides
insserv: warning: script 'S20redis' missing LSB tags and overrides
insserv: warning: script 'redis' missing LSB tags and overrides
insserv: warning: script 'nginx' missing LSB tags and overrides
insserv: There is a loop between service nginx and urandom if started
insserv: loop involving service urandom at depth 4
insserv: loop involving service hwclock at depth 3
insserv: There is a loop between service plymouth and udev if started
insserv: loop involving service udev at depth 1

update-rc.d: error: insserv rejected the script header
dpkg: error processing package zabbix-server-mysql (--configure):
 subprocess installed post-installation script returned error exit status 1
Setting up snmpd (5.7.3+dfsg-1ubuntu4.2) ...
update-rc.d: warning: start and stop actions are no longer supported; falling back to defaults
update-rc.d: warning: stop runlevel arguments (1) do not match snmpd Default-Stop values (0 1 6)
insserv: warning: script 'S20nginx' missing LSB tags and overrides
insserv: warning: script 'S20redis' missing LSB tags and overrides
insserv: warning: script 'redis' missing LSB tags and overrides
insserv: warning: script 'nginx' missing LSB tags and overrides
insserv: There is a loop between service nginx and urandom if started
insserv: loop involving service urandom at depth 4
insserv: loop involving service hwclock at depth 3
insserv: There is a loop between service plymouth and udev if started
insserv: loop involving service udev at depth 1

update-rc.d: error: insserv rejected the script header
dpkg: error processing package snmpd (--configure):
 subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of zabbix-frontend-php:
 zabbix-frontend-php depends on apache2 | httpd; however:
 Package apache2 is not configured yet.
 Package httpd is not installed.
 Package apache2 which provides httpd is not configured yet.

dpkg: error processing package zabbix-frontend-php (--configure):
 dependency problems - leaving unconfigured