vlan: add 'vlan_create_500_vlans'
Check that NM is able to handle 500 vlans correctly. Enough of FDs, reboot, etc.
https://bugzilla.redhat.com/show_bug.cgi?id=1926599 https://bugzilla.redhat.com/show_bug.cgi?id=1933041
Check that NM is able to handle 500 vlans correctly. Enough of FDs, reboot, etc.
https://bugzilla.redhat.com/show_bug.cgi?id=1926599 https://bugzilla.redhat.com/show_bug.cgi?id=1933041