[release-1.28] Fix issue with loadbalancer failover to default server #1520

Job	Run time
build / Build	7m 26s
Docker Tests (basics)	1m 13s
E2E Tests (startup)	7m 23s
Docker Tests (bootstraptoken)	52s
E2E Tests (s3)	10m 15s
Docker Tests (cacerts)	1m 1s
E2E Tests (btrfs)	4m 27s
Docker Tests (compat)	2m 9s
E2E Tests (externalip)	4m 55s
Docker Tests (lazypull)	55s
E2E Tests (privateregistry)	6m 44s
Docker Tests (upgrade)	2m 30s
E2E Tests (embeddedmirror)	4m 43s
E2E Tests (wasm)	3m 52s
	58m 25s

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