Comment # 3 on bug 937765 from Pawel Wieczorkiewicz

(In reply to Freek de Kruijf from comment #0)
> When I only have ifcfg-wlan0 and no cable connected to the Ethernet
> interface I can see the light of the Wi-Fi coming up, I also see the system
> mentioned as active in the router, however an ssh connection to the Wi-Fi
> interface is not possible. I don't see an entry in the ARP table for the
> Wi-Fi interface in my desktop system from where I make the ssh connection.

Could you please provide logs accordingly to the description here:
https://en.opensuse.org/openSUSE:Bugreport_wicked.

If everything is OK with wicked here (it seems so as per further explanations),
interesting to see would be especially kernel part. What rp_filter setting do
you use here?