e</td><td>ConflictingSidecarWorkloadSelectors</td></tr><tr><td>Message Code</td><td>IST0110</td></tr><tr><td>Description</td><td>A Sidecar resource selects the same workloads as another Sidecar resource</td></tr><tr><td>Level</td><td>Error</td></tr></tbody></table></div><p>This message occurs when more than one Sidecar resource in a namespace selects the same workload instance. This can lead to undefined behavior. See the reference for the <a href=/v1.21/docs/reference/config/networking/sidecar/>Sidecar</a>