Automated cherry pick of #8378: Backport the k8s 1.9 required action release note

Cherry pick #7874 onto 1.15

Automated cherry pick of #7916: Fix rendering of the Node Authorizer template

Cherry pick of #8241 into 1.15: Update copyrights for 2020

Automated cherry pick of #7832: cilium: don't try to mount sys/fs/bpf if already mounted

mark weavenet-pod as system-critical

systemd v238 already includes the mount, and the unit file fails.  We
test for the existence of the mount, rather than testing systemd
versions directly.

Automated cherry pick of #8022: Bump cilium version to 1.6.4

Automated cherry pick of #8115 Openstack: Fix cluster floating ips

Automated cherry pick of #7545: Complete support for Flatcar

Signed-off-by: Salvatore Mazzarino <dev@mazzarino.cz>

Signed-off-by: Salvatore Mazzarino <dev@mazzarino.cz>

Signed-off-by: Salvatore Mazzarino <dev@mazzarino.cz>

Signed-off-by: Salvatore Mazzarino <dev@mazzarino.cz>

Cherry pick of #8062 to release-1.15

(cherry picked from commit dfee0547)

(cherry picked from commit f21df7cd)

Cherry pick of #8038 onto release-1.15

Automated cherry pick of #8004 origin release 1.15: fix(openstack): fix additional security groups on instance groups

Previously we mistakenly used the names of the additional security
groups where the API is expecting their ID.

Automated cherry pick of #7979: cloudup: Map sprig indent template function

Map Sprig indent string template function into cloudup template
functions.

Cherry pick of #7860 onto release-1.15

Automated cherry pick of #7947: Update for NA storage