Spawn a DaemonSet pod to disable tx/rx offload on vxlan interfaces

disable-offload-vxlan-ifaces.yaml

# @sridhargaddam
# this script spawns a daemonSet pod in a k8s cluster to disable tx/rx offloading
# on vx-submariner interface created by Submariner route-agents
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: disable-offload
  namespace: submariner-operator
spec:
  selector:
    matchLabels:
      app: disable-offload
  template:
    metadata:
      labels:
        app: disable-offload
    spec:
      tolerations:
      - operator: Exists  
      containers:
        - name: disable-offload
          image: quay.io/sridhargaddam/netshoot:latest
          imagePullPolicy: IfNotPresent
          securityContext:
            allowPrivilegeEscalation: true
            capabilities:
              add:
              - net_admin
              drop:
              - all
            privileged: true
            readOnlyRootFilesystem: false
            runAsNonRoot: false
          command: ["/bin/sh", "-c"]
          args:
            - ethtool --offload vx-submariner rx off tx off;
              ethtool --offload vxlan-tunnel rx off tx off; 
              sleep infinity
      restartPolicy: Always
      securityContext: {}
      serviceAccount: submariner-routeagent
      serviceAccountName: submariner-routeagent
      hostNetwork: true