debian7 upgrade error

root@server04:/etc# apt-get dist-upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt-get -f install' to correct these.
The following packages have unmet dependencies:
 console-setup : Depends: console-setup-linux but it is not installed or
                          console-setup-freebsd but it is not installed
                 Depends: keyboard-configuration (= 1.88) but 1.68+squeeze2 is installed
 libapache2-mod-perl2 : Depends: perlapi-5.14.2
 libclone-perl : Depends: perlapi-5.14.2
 libcrypt-ssleay-perl : Depends: perlapi-5.14.2
 libdbd-mysql-perl : Depends: perlapi-5.14.2
 libdbi-perl : Depends: perlapi-5.14.2
 libdevel-cover-perl : Depends: perlapi-5.14.2
 libencode-perl : Depends: perlapi-5.14.2
 libfcgi-perl : Depends: perlapi-5.14.2
 libfilter-perl : Depends: perlapi-5.14.2
 libhtml-parser-perl : Depends: perlapi-5.14.2
 libnet-ssleay-perl : Depends: perlapi-5.14.2
 libossp-uuid-perl : Depends: perlapi-5.14.2
 libparams-util-perl : Depends: perlapi-5.14.2
 libperl5.14 : Depends: perl-base (= 5.14.2-21+deb7u2) but 5.10.1-17squeeze6 is installed
 libuuid-perl : Depends: perl-base (>= 5.14.2-13) but 5.10.1-17squeeze6 is installed
                Depends: perlapi-5.14.2
 libxml-parser-perl : Depends: perlapi-5.14.2
 nagios3-cgi : Depends: nagios3-common (= 3.4.1-3+deb7u1) but 3.2.1-2+squeeze1 is installed
 nagios3-core : Depends: nagios3-common (= 3.4.1-3+deb7u1) but 3.2.1-2+squeeze1 is installed
 perl : Depends: perl-base (= 5.14.2-21+deb7u2) but 5.10.1-17squeeze6 is installed
E: Unmet dependencies. Try using -f.
root@server04:/etc#