add support to dynamically set the kubelet loglevel #14799
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Adds an optional
KUBELET_LOG_LEVEL[integer 1..10] parameter to the e2e tests. If the variable is not set, then the default loglevel (2, currently) is selected. If the KUBELET_LOG_LEVEL is overwritten, then manifests are injected to raise/lower the loglevel.Log Level 3 or 4: These levels can be used to debug the kubelet. Anything higher than 3 (and certainly 4) might introduce other performance related issues on nodes.