We have to pick OVS patches compatible with kernel 4.15.0-118
after switching to it.
Conflicts:
zuul.d/base.yaml
zuul.d/tempest-singlenode.yaml
Change-Id: I1ff47fc3398760d5b631bf89e6cfcc7ae339f0e3
Related-bug: #1883601
Closes-bug: #1896766
(cherry picked from commit e10c0dedf4)