Comment # 8 on bug 1095383 from Michal Filka

(In reply to Thomas Formella from comment #6)
> (In reply to Michal Filka from comment #5)
> > (In reply to Thomas Formella from comment #0)
> > > I'm trying to upgrade a working Leap 42.3 to Leap 15.0 with the
> > > "openSUSE-Leap-15.0-NET-x86_64267" ISO image. Network connection is via
> > > wired ethernet.
> > > Previous upgrades, for example from 42.2 > 42.3, worked flawlessly.
> > > 
> > > Boot parameter: ipv4only=1
> > > 
> > > All I can see is:
> > > 
> > > Loading basic drivers... ok
> > > ...
> > > Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
> > >   drivers: r8169*
> > > eth0: network config created
> > > Sending DHCP4 request to eth0...
> > > DHCP configuration failed.
> > > 
> > > Omitting the "ipv4only=1" boot parameter leads to the same result (the
> > > router is IPv4 only).
> > 
> > Could you pls switch to terminal and attach output of
> > 
> > journalctl -b -o short-iso | fgrep wicked
> > 
> > Thanks.
> 
> tty1:install:/# journalctl -b -o short-iso | fgrep wicked
> bash fgrep: command not found
> 
> tty1:install:/# journalctl -b -o short-iso | grep wicked
> bash journalctl: command not found
> 
> tty1:install:/# journalctl
> bash journalctl: command not found
> 
> Sorry, any other way to gather the informations?

ah sorry we're in installer ... So, could you pls attach /var/log/wickedd.log ?
Thx

As a side note, I'd bet that it is a problem with resolving DHCP request.