Note, on 17.10 defautl configuration libnss-resolve is not longer used by default, so you may remove it.
Also note:
Failed to enable unit: Unit file /etc/systemd/system/systemd-resolved.service is masked.
dpkg: error processing package libnss-resolve:amd64 (--configure):
subprocess installed post-installation script returned error exit status 1
This is not the default configuration, please do:
$ sudo systemctl unmask systemd-resolved
To return your system into the default configuration.
Note, on 17.10 defautl configuration libnss-resolve is not longer used by default, so you may remove it.
Also note: system/ systemd- resolved. service is masked. resolve: amd64 (--configure):
Failed to enable unit: Unit file /etc/systemd/
dpkg: error processing package libnss-
subprocess installed post-installation script returned error exit status 1
This is not the default configuration, please do:
$ sudo systemctl unmask systemd-resolved
To return your system into the default configuration.