I have found same questions were asked before. But i couldn't find solution
for the question. Therefore i ask this again with what i found.
When i use ovs-ofctl, it always print "xxx is not a bridge or socket" and
doesn't work. When i create bridge with ovs-vsctl, ovs-vsctl doesn't notice
me anything. But i could find error at /var/log/message at creating a new
bridge with ovs-vsctl. (There were no ovs log directory
/var/log/openswitch). Error show me that ovs can't find 'datapath'. What
coulud cause it?
OVS 1.10 user space install(didn't installed kernel module) on Centos 5.9.
All commands were run under root privilege.
# ovs-vsctl add-br br0
br0 is not a bridge or a socket
# ovs-vsctl show
03316d70-80a0-497e-8031-d9f80921e173
Bridge "br0"
Port "br0"
Interface "br0"
type: internal
# ovs-ofctl dump-flows br0
ovs-ofctl: br0 is not a bridge or a socket
Error message i found at /var/log/message when i create a new bridge with
ovs-vsctl
Jul 26 11:20:46 testmail ovs-vswitchd: 00217|dpif|WARN|failed to enumerate
system datapaths: No such file or directory
Jul 26 11:20:46 testmail ovs-vswitchd: 00218|dpif|WARN|failed to create
datapath ovs-system: No such file or directory
Jul 26 11:20:46 testmail ovs-vswitchd: 00219|ofproto_dpif|ERR|failed to
open datapath of type system: No such file or directory
Jul 26 11:20:46 testmail ovs-vswitchd: 00220|ofproto|ERR|failed to open
datapath br0: No such file or directory
Jul 26 11:20:46 testmail ovs-vswitchd: 00221|bridge|ERR|failed to create
bridge br0: No such file or directory
I really appreciate any help
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