The oauth-proxy only tries to connect to wherever it hopes the kube-apiserver is on the service network, moving to SDN.
Indeed, if url.URL structure contains IPv6 address in its Host field, a successive ".String()" call merely concatenates the fields. Fixed in the linked PR.
prometheus, alertmanager, and grafana cannot be accessed via webUI either
Please clarify if that means that the bugfix failed QA (in which case upload new logs)?
can't currently be tested in 4.4. "Verifying" to unblock the backport
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.