root@web2:~# dpkg --configure -a
dpkg: dependency problems prevent configuration of telnet:
 telnet depends on netbase; however:
  Package netbase is not configured yet.

dpkg: error processing package telnet (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of dbus:
 dbus depends on netbase (>= 4.45ubuntu3); however:
  Package netbase is not configured yet.

dpkg: error processing package dbus (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of postfix:
 postfix depends on netbase; however:
  Package netbase is not configured yet.

dpkg: error processing package postfix (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of python-secretstorage:
 python-secretstorage depends on dbus; however:
  Package dbus is not configured yet.

dpkg: error processing package python-secretstorage (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of ntp:
 ntp depends on netbase; however:
  Package netbase is not configured yet.

dpkg: error processing package ntp (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of ftp:
 ftp depends on netbase; however:
  Package netbase is not configured yet.

dpkg: error processing package ftp (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of libwww-perl:
 libwww-perl depends on netbase; however:
  Package netbase is not configured yet.

dpkg: error processing package libwww-perl (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of libsoap-lite-perl:
 libsoap-lite-perl depends on libwww-perl; however:
  Package libwww-perl is not configured yet.

dpkg: error processing package libsoap-lite-perl (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of libio-socket-ssl-perl:
 libio-socket-ssl-perl depends on netbase; however:
  Package netbase is not configured yet.

dpkg: error processing package libio-socket-ssl-perl (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of ntpdate:
 ntpdate depends on netbase; however:
  Package netbase is not configured yet.

dpkg: error processing package ntpdate (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of language-selector-common:
 language-selector-common depends on dbus; however:
  Package dbus is not configured yet.

dpkg: error processing package language-selector-common (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of libnet-smtp-ssl-perl:
 libnet-smtp-ssl-perl depends on libio-socket-ssl-perl; however:
  Package libio-socket-ssl-perl is not configured yet.

dpkg: error processing package libnet-smtp-ssl-perl (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of mailutils:
 mailutils depends on default-mta | mail-transport-agent; however:
  Package default-mta is not installed.
  Package postfix which provides default-mta is not configured yet.
  Package mail-transport-agent is not installed.
  Package postfix which provides mail-transport-agent is not configured yet.

dpkg: error processing package mailutils (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of ubuntu-minimal:
 ubuntu-minimal depends on netbase; however:
  Package netbase is not configured yet.
 ubuntu-minimal depends on ntpdate; however:
  Package ntpdate is not configured yet.

dpkg: error processing package ubuntu-minimal (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of policykit-1:
 policykit-1 depends on dbus; however:
  Package dbus is not configured yet.

dpkg: error processing package policykit-1 (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of libxml-parser-perl:
 libxml-parser-perl depends on libwww-perl; however:
  Package libwww-perl is not configured yet.

dpkg: error processing package libxml-parser-perl (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of ubuntu-standard:
 ubuntu-standard depends on ftp; however:
  Package ftp is not configured yet.
 ubuntu-standard depends on language-selector-common; however:
  Package language-selector-common is not configured yet.

dpkg: error processing package ubuntu-standard (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of accountsservice:
 accountsservice depends on dbus; however:
  Package dbus is not configured yet.

dpkg: error processing package accountsservice (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of systemd-services:
 systemd-services depends on dbus; however:
  Package dbus is not configured yet.

dpkg: error processing package systemd-services (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of libmailtools-perl:
 libmailtools-perl depends on libnet-smtp-ssl-perl; however:
  Package libnet-smtp-ssl-perl is not configured yet.

dpkg: error processing package libmailtools-perl (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of libpam-systemd:amd64:
 libpam-systemd:amd64 depends on systemd-services (= 204-5ubuntu20.6); however:
  Package systemd-services is not configured yet.

dpkg: error processing package libpam-systemd:amd64 (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of libmime-tools-perl:
 libmime-tools-perl depends on libmailtools-perl; however:
  Package libmailtools-perl is not configured yet.

dpkg: error processing package libmime-tools-perl (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of liblwp-protocol-https-perl:
 liblwp-protocol-https-perl depends on libio-socket-ssl-perl (>= 1.54); however:
  Package libio-socket-ssl-perl is not configured yet.
 liblwp-protocol-https-perl depends on libwww-perl (>= 6.05-2); however:
  Package libwww-perl is not configured yet.

dpkg: error processing package liblwp-protocol-https-perl (--configure):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 telnet
 dbus
 postfix
 python-secretstorage
 ntp
 ftp
 libwww-perl
 libsoap-lite-perl
 libio-socket-ssl-perl
 ntpdate
 language-selector-common
 libnet-smtp-ssl-perl
 mailutils
 ubuntu-minimal
 policykit-1
 libxml-parser-perl
 ubuntu-standard
 accountsservice
 systemd-services
 libmailtools-perl
 libpam-systemd:amd64
 libmime-tools-perl
 liblwp-protocol-https-perl