Trying to run OVN 21.12/OVS 2.17.0 with Docker v20.10.12 on a CentOS8
system according to the documentation at:
https://docs.ovn.org/en/latest/howto/docker.html
The instructions worked for me on an Ubuntu 20.04 system with OVN
20.03.2/OVS 2.13.5, installed from the distro package system, and Docker
v20.10.13 installed from a Docker maintained repository, but when I
attempt to create a docker network on the CentOS8 system I get the
following error message:
$ docker network create -d openvswitch --subnet=192.168.100.0/22 foo
Error response from daemon: This node is not a swarm manager. Use
"docker swarm init" or "docker swarm join" to connect this node to swarm
and try again.
Can anyone suggest where I start looking for a problem?
Dave
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