kvm: fix live vm migration between local storage pools (#7945)

Author: weizhouapache

plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtConnection.java

@@ -21,7 +21,6 @@
 
 import org.apache.log4j.Logger;
 import org.libvirt.Connect;
-import org.libvirt.Library;
 import org.libvirt.LibvirtException;
 
 import com.cloud.hypervisor.Hypervisor;
@@ -45,7 +44,6 @@ static public Connect getConnection(String hypervisorURI) throws LibvirtExceptio
         if (conn == null) {
             s_logger.info("No existing libvirtd connection found. Opening a new one");
             conn = new Connect(hypervisorURI, false);
-            Library.initEventLoop();
             s_logger.debug("Successfully connected to libvirt at: " + hypervisorURI);
             s_connections.put(hypervisorURI, conn);
         } else {