dns_filter: make DNS format commands available at config initialization

[AntonKanug]

Follow up to #41385

Commit Message: dns_filter: make DNS format commands available at config initialization
Additional Description:
Risk Level:
Testing:
Docs Changes:
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Platform Specific Features:

Fixes listener initializing errors when using custom tag substitution for dns filter logs

delta config for type.googleapis.com/envoy.config.listener.v3.Listener rejected: Error adding/updating listener(s) listener: Not supported field in StreamInfo: QUERY_NAME

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🐱

Caused by: #42915 was opened by AntonKanug.

see: more, trace.

[AntonKanug]

cc @wbpcode

[wbpcode]

Thanks for this contribution. But

1. I think to configure DNS's related format in the listener make no sense anyway?
2. We prefer only keep HTTP and TCP's format as built-in and to reduce the potential name conflict?

[AntonKanug]

1. I think to configure DNS's related format in the listener make no sense anyway?

We use a udp listener with dns filter (similar to this example)

2. We prefer only keep HTTP and TCP's format as built-in and to reduce the potential name conflict?

whats the suggestion to fix envoy rejecting listener config due to command not being recognized in this case?

delta config for type.googleapis.com/envoy.config.listener.v3.Listener rejected: Error adding/updating listener(s) listener: Not supported field in StreamInfo: QUERY_NAME