[systemd-bugs] error changing net interface name

[ultraviolett2 at arcor.de]

Currently I am running systemd 198-1 with Arch Linux on a Thinkpad Z61m.

When I upgraded systemd sometime in January to 197, I opt in the network renaming. I did as suggested from arch-dev-public through removing dummy file "/etc/udev/rules.d/80-net-name-slot.rules".
https://mailman.archlinux.org/pipermail/arch-dev-public/2013-January/024231.html

Since this time eth0 was and is never renamed due to  error message: "error changing net interface name eth0 to enp, Device or Resource busy". From time to time I experience the same with wlan0; "error changing net interface name wlan0 to wlp3so, Device or Resource busy".

My netcfg.service contains
After=sys-devices-pci0000:00-0000:00:1c.1-0000:03:00.0-net-wlp3s0.device
BindTo=sys-devices-pci0000:00-0000:00:1c.1-0000:03:00.0-net-wlp3s0.device

which is necessary to wait for wlp3s0 becoming ready. Netcfg is used for auto connect.