code: func (c *engineIPC) OverrideVserver(vserver *seesaw.VserverOverride) error {
  	override := &ipc.Override{Ctx: c.ctx, Vserver: vserver}
  	return c.client.Call("SeesawEngine.OverrideVserver", override, nil)
  }
docs: // OverrideVserver requests that the specified VserverOverride be applied.