[ovirt-users] Used Network resources of host XY [97%] exceeded

Hello List, one of my ovirt Guests seems to loose its Network connection. I can still see some traffic on the console tough. In the Logs i get: 2014-Dez-04, 13:09 Used Network resources of host <myhostname-here> [97%] exceeded defined threshold [95%]. Is this the reason? Where can i change or disable this feature? Thanks, Mario