1-33 - xDS service discovery initialization failed

Possible Reason

1. The address configuration of the registration center in xDS mode is wrong.
2. The firewall and third-party protection software make it impossible to provide external connections.

Troubleshooting and resolution steps

1. Check whether the xDS configuration is correct and whether the Istio status is normal.
2. Check the firewall configuration or use the ping command of cmd for basic detection.