Antrea Agent Deleting NPL Rules

Products

• VMware Container Networking with Antrea

Issue/Introduction

Antrea is deleting NPL rules causing outages in the workload cluster. Can find these errors in the Antrea agent logs.

I0523 10:40:25.707536       1 pod_reconciler.go:1063] "Can't find matching interface for entity, skipping" entity="####################################"
I0523 10:40:25.707549       1 pod_reconciler.go:1063] "Can't find matching interface for entity, skipping" entity="####################################"
I0523 10:40:26.395660       1 pod_reconciler.go:298] "Reconciling Pod NetworkPolicy rule" rule="############" policy="K8sNetworkPolicy:####################################"
I0523 10:40:26.395683       1 pod_reconciler.go:298] "Reconciling Pod NetworkPolicy rule" rule="############" policy="####################################"
I0523 10:40:26.395688       1 pod_reconciler.go:298] "Reconciling Pod NetworkPolicy rule" rule="############" policy="####################################"
I0523 10:40:26.395668       1 pod_reconciler.go:298] "Reconciling Pod NetworkPolicy rule" rule="############" policy="####################################"
I0523 10:40:42.714409       1 server.go:559] "Received CmdDel request" request="cni_args:{container_id:\"####################################\"  ifname:\"eth0\"  args:\"IgnoreUnknown=1;K8S_POD_NAMESPACE=####################################;K8S_POD_NAME=####################################;K8S_POD_INFRA_CONTAINER_ID=################################################;K8S_POD_UID=71dcafc1-6ee3-45c5-9883-0e0bfcff8057\"  path:\"/opt/cni/bin\"  network_configuration:\"{\\\"cniVersion\\\":\\\"0.3.0\\\",\\\"ipam\\\":{\\\"type\\\":\\\"host-local\\\"},\\\"name\\\":\\\"antrea\\\",\\\"type\\\":\\\"antrea\\\"}\"}"
I0523 10:40:42.714486       1 server.go:545] "Deleted interfaces for container" container="################################################"
I0523 10:40:42.723704       1 server.go:553] "CmdDel for container succeeded" container="################################################"
I0523 10:40:42.756503       1 server.go:559] "Received CmdDel request" request="cni_args:{container_id:\"####################################\"  ifname:\"eth0\"  args:\"IgnoreUnknown=1;K8S_POD_NAMESPACE=########################;K8S_POD_NAME=a########################;K8S_POD_INFRA_CONTAINER_ID=################################################;K8S_POD_UID=####################################\"  path:\"/opt/cni/bin\"  network_configuration:\"{\\\"cniVersion\\\":\\\"0.3.0\\\",\\\"ipam\\\":{\\\"type\\\":\\\"host-local\\\"},\\\"name\\\":\\\"antrea\\\",\\\"type\\\":\\\"antrea\\\"}\"}"
I0523 10:40:42.756579       1 server.go:545] "Deleted interfaces for container" container="################################################"

 

Environment

Antrea 1.15.1

Cause

There are 2 NPL bugs confirmed by engineering that cause them to not be found and be deleted.

Resolution

Upgrade to Antrea version 2.1 which includes the fix for the NPL bugs. If you have any questions, please open a Broadcom Support case.