Merge the tip of origin/release/proposed/2019.2.0 into origin/release/2019.2.0
65075d38 Update docker images
efee5210 Fix typo for cpu_mode pillar
9d877252 Enable nova update_cells by default
47e7111f Enable host-passthrough for virt control plane
3ebe94e9 Update storage team openssh group
326a3892 Enable timestamper plugin for jenkins
c82e6c00 Extend maxconn for galera haproxy
4b304c5a [RabbitMQ] Make VRRP script more reliable
ddc78989 Bump cvp-sanity-checks to 2019.2.16 PROD-36531
54dac263 Route mysql connections to dbs02-03
8478868b Restore missing ssh keys for maintenance team
6ede82be Add Vadym Markov to team
Change-Id: Ic67b20dbc03d98a8c50115813e7441f40a7c4af0