The scale on the stats graphs show incorrectly

[huib-portainer]

Bug description
The container stats shows the labels on the y axis multiple times:

Expected behavior
Should show them once:

Additional context
Load generating manifest:

apiVersion: apps/v1
kind: Deployment
metadata:
  name: stress-deployment
  labels:
    app: stress-label
spec:
  replicas: 1
  selector:
    matchLabels:
      app: stress-label
  template:
    metadata:
      labels:
        app: stress-label
    spec:
      containers:
        - name: stress
          image: containerstack/cpustress:latest
          args: ["--cpu", "1", "--timeout", "300s"]
          imagePullPolicy: Always