xenserver: Introduce "force-reload-kmod" to reload kernel module.
Running "service openvswitch force-reload-kmod" will now save the kernel
configuration state of Open vSwitch interfaces, stop the vswitch, unload
the kernel module, reload the kernel module, restart the vswitch, and
restore kernel configuration state. It is a reasonably safe way to upgrade
or downgrade the Open vSwitch kernel module on a running system.
projects / openvswitch / commit