Hello,

I'm trying to use the userspace-only implementation of Open vSwitch (with 
dpif-netdev datapath). I followed the installation instructions provided, but 
when I start the daemon I get the following error:

|00001|dpif_linux|ERR|Generic Netlink family 'ovs_datapath' does not exist. The 
Open vSwitch kernel module is probably not loaded.

The daemon then starts, I can add bridges with ovs-vsctl, but I fail to operate 
on them with ovs-dpctl, getting the same error (even with a simple command like 
"ovs-dpctl show"). I know that ovs-dpctl is supposed to work with kernel 
datapath, but looking inside it I've noticed that it operates with dpif 
functions, that can be implemented by either dpif-linux and dpif-netdev.

In case ovs-dpctl is intended to operate only with kernel datapath, is there a 
tool to do the same with the userspace-only implementation?

Any help would be greatly appreciated.

Thank you in advance.

Federico Di Domenicantonio
                                          
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