Clarify classic / helm mode incompatibilities

Signed-off-by: Michi Mutsuzaki <[email protected]>
cilium · Jul 27, 2023 · e0e1b49 · e0e1b49
1 parent 01c583b
commit e0e1b49
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/README.md b/README.md
@@ -359,8 +359,12 @@ deprecated. To use the `classic` mode, set `CILIUM_CLI_MODE` environment variabl
 
     export CILIUM_CLI_MODE=classic
 
-> **Warning**
-> The `classic` installation mode will be removed after v0.15 release.
+> **Warnings**
+> - The `classic` installation mode will be removed after v0.15 release.
+> - Cilium CLI does not support converting `classic` mode installations to
+>   `helm` mode installations and vice versa.
+> - Cilium CLI does not support running the `helm` mode `cilium upgrade`
+>   command against classic mode installations.
 
 ### Examples