Cann't create cluster "starting container process caused: unknown capability "CAP_PERFMON": unknown."

[sserantes]

$ kind version                                                                                  
kind v0.9.0 go1.15.2 linux/amd64

$ kubectl version                                                                               
Client Version: version.Info{Major:"1", Minor:"18", GitVersion:"v1.18.6", GitCommit:"dff82dc0de47299ab66c83c626e08b245ab19037", GitTreeState:"archive", BuildDate:"2020-07-16T09:08:46Z", GoVe
rsion:"go1.14.4", Compiler:"gc", Platform:"linux/amd64"}
The connection to the server localhost:8080 was refused - did you specify the right host or port?

$ docker info                                                                                                                                                                         [29/232]
Client:              
 Context:    default
 Debug Mode: false          
 Plugins:
  app: Docker App (Docker Inc., v0.9.1-beta3)
  buildx: Build with BuildKit (Docker Inc., v0.4.2-docker)
                                               
Server:               
 Containers: 2                             
  Running: 0           
  Paused: 0
  Stopped: 2                      
 Images: 3                                  
 Server Version: 20.10.0-beta1           
 Storage Driver: overlay2   
  Backing Filesystem: extfs
  Supports d_type: true            
  Native Overlay Diff: true 
 Logging Driver: json-file                                                                                                                                                                    
 Cgroup Driver: cgroupfs   
 Cgroup Version: 1                             
 Plugins:              
  Volume: local                                                                                                                                                                                 Network: bridge host ipvlan macvlan null overlay                                                                                                                                              Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog                                                                                                          Swarm: inactive
 Runtimes: io.containerd.runc.v2 io.containerd.runtime.v1.linux runc            
 Default Runtime: runc                                                                                                                                                                        
 Init Binary: docker-init   
 containerd version: c623d1b36f09f8ef6536a057bd658b3aa8632828                                                                                                                                 
 runc version: ff819c7e9184c13b7c2607fe6c30ae19403a7aff
 init version: de40ad0
 Security Options:
  apparmor
  seccomp
   Profile: default
 Kernel Version: 5.8.0-3-amd64
 Operating System: Debian GNU/Linux bullseye/sid
 OSType: linux
 Architecture: x86_64
 CPUs: 4
 Total Memory: 7.68GiB
 Name: asus-ux305
 ID: JT27:3DKP:F4BH:MFN3:7FAM:J4FA:I5SK:HG6W:T7UV:IUTP:3OSN:5SET
 Docker Root Dir: /var/lib/docker
 Debug Mode: false
 Registry: https://index.docker.io/v1/
 Labels:
 Experimental: false
 Insecure Registries:
  127.0.0.0/8
 Live Restore Enabled: false

WARNING: No blkio weight support
WARNING: No blkio weight_device support

$ cat /etc/os-release 
PRETTY_NAME="Debian GNU/Linux bullseye/sid"
NAME="Debian GNU/Linux"
ID=debian
HOME_URL="https://www.debian.org/"
SUPPORT_URL="https://www.debian.org/support"
BUG_REPORT_URL="https://bugs.debian.org/"

$ uname -v
#1 SMP Debian 5.8.14-1 (2020-10-10)

$ kind create cluster                                                                           
Creating cluster "kind" ...
 ✓ Ensuring node image (kindest/node:v1.19.1) 🖼
 ✗ Preparing nodes 📦  
ERROR: failed to create cluster: docker run error: command "docker run --hostname kind-control-plane --name kind-control-plane --label io.x-k8s.kind.role=control-plane --privileged --securit
y-opt seccomp=unconfined --security-opt apparmor=unconfined --tmpfs /tmp --tmpfs /run --volume /var --volume /lib/modules:/lib/modules:ro --detach --tty --label io.x-k8s.kind.cluster=kind --
net kind --restart=on-failure:1 --publish=127.0.0.1:36833:6443/TCP kindest/node:v1.19.1@sha256:98cf5288864662e37115e362b23e4369c8c4a408f99cbc06e58ac30ddc721600" failed with error: exit statu
s 125
Command Output: 4f6787e424d8822052e1ada7faec4e2b262acf7fc7f54a1e892000bdfe78e062
docker: Error response from daemon: OCI runtime create failed: container_linux.go:370: starting container process caused: unknown capability "CAP_PERFMON": unknown.

[BenTheElder]

moby/moby#41562

This is arguably a bug in docker. You should probably roll back to a stable docker release.

[BenTheElder]

When containerd has an updated runc release we'll ship it but in the meantime the docker patch is necessary and this docker beta release is broken.

[sserantes]

Thanks!! That was the issue. I install docker version 5:18.09.13-0debian-buster and everything is working now.