Improve flannel RBAC changes #1853

Job	Run time
Build Go Tests	37s
build / Build	7m 20s
Docker Tests In GO (basics)	53s
Docker Tests In GO (bootstraptoken)	59s
Docker Tests In GO (cacerts)	1m 1s
Docker Tests (basics)	53s
E2E Tests (autoimport)	6m 26s
Docker Tests (bootstraptoken)	47s
Docker Tests In GO (etcd)	1m 59s
Docker Tests (cacerts)	56s
E2E Tests (startup)	12m 42s
Docker Tests In GO (lazypull)	56s
Docker Tests (compat)	1m 20s
Docker Tests In GO (skew)	9s
E2E Tests (s3)	7m 55s
Docker Tests (lazypull)	52s
Docker Tests In GO (upgrade)	1m 37s
E2E Tests (btrfs)	4m 6s
Docker Tests (upgrade)	2m 34s
E2E Tests (externalip)	4m 22s
E2E Tests (privateregistry)	5m 29s
E2E Tests (embeddedmirror)	5m 13s
E2E Tests (wasm)	5m 12s
	1h 14m 18s

Provide feedback