I have tested on xenial, the problem is solved with the change.
ubuntu@xenial:~$ apt policy resolvconf resolvconf: Installed: 1.78ubuntu7 Candidate: 1.78ubuntu7 Version table: *** 1.78ubuntu7 500 500 http://archive.ubuntu.com/ubuntu xenial-proposed/main amd64 Packages 100 /var/lib/dpkg/status 1.78ubuntu6 500 500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages 1.78ubuntu2 500 500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages ubuntu@xenial:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 16.04.6 LTS Release: 16.04
I have tested on xenial, the problem is solved with the change.
ubuntu@xenial:~$ apt policy resolvconf archive. ubuntu. com/ubuntu xenial- proposed/ main amd64 Packages dpkg/status archive. ubuntu. com/ubuntu xenial-updates/main amd64 Packages archive. ubuntu. com/ubuntu xenial/main amd64 Packages
resolvconf:
Installed: 1.78ubuntu7
Candidate: 1.78ubuntu7
Version table:
*** 1.78ubuntu7 500
500 http://
100 /var/lib/
1.78ubuntu6 500
500 http://
1.78ubuntu2 500
500 http://
ubuntu@xenial:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.6 LTS
Release: 16.04