If you find yourself in this situation (and I hope you won’t!), you have some options to get your way with a misbehaving server remotely. You can force an immediate reboot with the following:
echo 1 > /proc/sys/kernel/sysrq
echo b > /proc/sysrq-trigger
WHOA THERE! This is pretty much the same as pressing the reset button on the server (if equipped). No daemons will be shut down gracefully, no filesystem sync will occur, and you may get the wrath of a fsck (or worse, a non-booting server) upon reboot.
So, for the VM we set a bridge. To do that we need to have bridge-utils package installed (yum install bridge-utils) and set-up the br0 bridge. There’s no need to set an IP address on the bridge as we only need to set a static route on it.
/etc/sysconfig/network-scripts/ifcfg-br0 would look like this: