Created attachment 1062093 [details] text overlap Network main tab -> General sub-tab: the "Id" value text is overlapping with the VLAN tag field. See attached.
for comparison (as can be seen in attachment 1062093 [details]), the description value is properly cropped and not overriding the MTU field next to it).
Verified in 3.6.0-12
oVirt 3.6.0 has been released on November 4th, 2015 and should fix this issue. If problems still persist, please open a new BZ and reference this one.