release upgrade breaks internet and other things

[Ralf Mardorf]

On Wed, 3 Oct 2018 20:49:55 +0200, Tom H wrote:
>It should most likely point at "/run/systemd/resolve/resolv.conf".

For container usage I prefer a file over a link.

[root at archlinux rocketmouse]# systemd-nspawn -qD /mnt/moonstudio lsb_release -a
LSB Version:	core-9.20160110ubuntu0.2-amd64:core-9.20160110ubuntu0.2-noarch:security-9.20160110ubuntu0.2-amd64:security-9.20160110ubuntu0.2-noarch
Distributor ID:	Ubuntu
Description:	Ubuntu 16.04.5 LTS
Release:	16.04
Codename:	xenial
[root at archlinux rocketmouse]# ls -l /mnt/moonstudio/etc/resolv.conf
-rw-r--r-- 1 root root 94 Oct  1 19:04 /mnt/moonstudio/etc/resolv.conf
[root at archlinux rocketmouse]# cat /mnt/moonstudio/etc/resolv.conf 
# Generated by resolvconf
domain localdomain
nameserver 192.168.1.1
nameserver fe80::1%enp3s0
[root at archlinux rocketmouse]# 
[root at archlinux rocketmouse]# 
[root at archlinux rocketmouse]# 
[root at archlinux rocketmouse]# lsb_release -a
LSB Version:	1.4
Distributor ID:	Arch
Description:	Arch Linux
Release:	rolling
Codename:	n/a
[root at archlinux rocketmouse]# ls -l /etc/resolv.conf
-rw-r--r-- 1 root root 94 Oct  1 19:04 /etc/resolv.conf
[root at archlinux rocketmouse]# cat /etc/resolv.conf
# Generated by resolvconf
domain localdomain
nameserver 192.168.1.1
nameserver fe80::1%enp3s0