package:systemd-resolved:252.5-2ubuntu3 Setting up systemd-resolved (252.5-2ubuntu3) ... Converting /etc/resolv.conf to a symlink to /run/systemd/resolve/stub-resolv.conf... cp: '/etc/resolv.conf' and '/run/systemd/resolve/stub-resolv.conf' are the same file dpkg: error processing package systemd-resolved (--configure): installed systemd-resolved package post-installation script subprocess returned error exit status 1