p2b@t470:~$ apt-cache policy libxml-libxml-perl perl
libxml-libxml-perl:
  Installed: 2.0128+dfsg-5
  Candidate: 2.0128+dfsg-5
  Version table:
 *** 2.0128+dfsg-5 500
        500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
        100 /var/lib/dpkg/status
perl:
  Installed: 5.22.1-9ubuntu0.5
  Candidate: 5.26.1-6ubuntu0.2
  Version table:
     5.26.1-6ubuntu0.2 500
        500 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
     5.26.1-6ubuntu0.1 500
        500 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages
     5.26.1-6 500
        500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
 *** 5.22.1-9ubuntu0.5 100
        100 /var/lib/dpkg/status