az (az login) を使用してログインしようとすると、ubuntu で beloe エラーが発生します。
エラー：
Port '8400' is taken with error '[Errno 99] Cannot assign requested address'. Trying with the next one
Port '8401' is taken with error '[Errno 99] Cannot assign requested address'. Trying with the next one
Port '8402' is taken with error '[Errno 99] Cannot assign requested address'. Trying with the next one
Port '8403' is taken with error '[Errno 99] Cannot assign requested address'. Trying with the next one
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Port '8998' is taken with error '[Errno 99] Cannot assign requested address'. Trying with the next one
Port '8999' is taken with error '[Errno 99] Cannot assign requested address'. Trying with the next one
Error: can't reserve a port for authentication reply url
Login failed