m/n/core: hide verbose supervisor logs from console

Change-Id: I617c4b966caa35253ba53407fbfadc6615b50822
Reviewed-on: https://review.monogon.dev/c/monogon/+/1388
Tested-by: Jenkins CI
Reviewed-by: Leopold Schabel <leo@monogon.tech>
diff --git a/metropolis/node/core/main.go b/metropolis/node/core/main.go
index 680073e..8496e47 100644
--- a/metropolis/node/core/main.go
+++ b/metropolis/node/core/main.go
@@ -255,6 +255,9 @@
 	if strings.HasPrefix(s, "root.role.kubernetes.run.kubernetes.scheduler") {
 		return p.Leveled.Severity().AtLeast(logtree.WARNING)
 	}
+	if strings.HasPrefix(s, "supervisor") {
+		return p.Leveled.Severity().AtLeast(logtree.WARNING)
+	}
 	return true
 }