Changing machine type to q35 also solves the problem:
openstack image set --property hw_machine_type=q35 bionic
<type arch='x86_64' machine='pc-q35-rhel8.3.0'>hvm</type>
still failing on: pc-i440fx-rhel7.6.0
Changing machine type to q35 also solves the problem:
openstack image set --property hw_machine_type=q35 bionic
<type arch='x86_64' machine= 'pc-q35- rhel8.3. 0'>hvm< /type>
still failing on:
pc-i440fx-rhel7.6.0