This patch is pushing a new release for the ovsdbapp library for Rocky
(version 0.12.2) and Queens (version 0.10.2).
Both branches includes a important fix that prevents race conditions
between multiple transactions [0][1].
[0] https://review.openstack.org/#/c/604301/ (Rocky)
[1] https://review.openstack.org/#/c/604302/ (Queens)
Change-Id: I6c7bb70d4b446c2dbbe45f1137db74eefa5ad5f7