rename netEnt to net_ent

Change-Id: I72fb3b4ec2e88a66ebb479474fbc3ef0b8ca6661
Signed-off-by: ibarkan <ibarkan@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/35920
Reviewed-by: Dan Kenigsberg <danken@redhat.com>
Reviewed-by: Ondřej Svoboda <osvoboda@redhat.com>
Tested-by: Dan Kenigsberg <danken@redhat.com>