So multiple instances of kube-apiserver can bind on the same address and
port, to provide seamless upgrades.
Signed-off-by: Mateusz Gozdek <mateusz@kinvolk.io>
Kubernetes-commit: dfe1f968ac31ba9b81a353d4de86d28e73d22d4e
Though the flags are deprecated, the deprecation process revealed that
the flag is important for health checks in more secure environments.
Add a link to #43784 to help developers understand why the flags have
not yet been removed.
Issue #43784
Issue #74172
Issue #59018
Kubernetes-commit: 7dbbab0476b35b74f600f62b6751212ed3afe574