network, handler: Use receiver at handler funcs
network, handler: Use receiver at handler funcs

The NetworkUtilsHandler functions where using the global bar Handler
instead of the receiver, they should use the receivers instance.

Signed-off-by: Quique Llorente <fad7636a3d20aa3e8008777ef56bb24366aa3b13@redhat.com>

davidvossel/kubevirt,kubevirt/kubevirt,stu-gott/kubevirt,stu-gott/kubevirt,kubevirt/kubevirt,stu-gott/kubevirt,davidvossel/kubevirt,kubevirt/kubevirt,kubevirt/kubevirt,stu-gott/kubevirt,davidvossel/kubevirt,davidvossel/kubevirt