Seen again in a Bionic-rocky cloud. One subnet was in the table without a matching network id. Deleted that row, and things worked again.
FWIW, this broke 'openstack subnet list'.
Seen again in a Bionic-rocky cloud. One subnet was in the table without a matching network id. Deleted that row, and things worked again.
FWIW, this broke 'openstack subnet list'.