This is a followup to issue #2591.
Arch linux will rename its eth0 device unless an empty file is placed in `/etc/udev/rules.d/`.
In order for the new rules to take effect, we need call `udevadm control --reload`.
Merge pull request #3323 from mattoxbeckman/fix/master/reload-arch-udev-rules

guests/arch: Fix for issue #3322, a followup to issue #2591.