d>Message Name</td><td>NamespaceMultipleInjectionLabels</td></tr><tr><td>Message Code</td><td>IST0123</td></tr><tr><td>Description</td><td>A namespace has both new and legacy injection labels</td></tr><tr><td>Level</td><td>Warning</td></tr></tbody></table></div><p>This message occurs when a namespace specifies Istio sidecar auto-injection
using <strong>both</strong> the new and legacy style labels.</p><h2 id=example>Example</h2><p>You will receive this message:</p><pre><code class=language-plain data-expand