[ovs-discuss] debug incorrect flowmod messages from controller

[Vasiliy Tolstov]

2013/10/13 Ben Pfaff <blp at nicira.com>:
> A flow_mod of type OFPFC_DELETE, to delete a flow, doesn't need any
> actions.


Thanks, Ben. And what meaning this:

g:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
2013-10-13T07:54:11.281Z|1971404|ofproto_dpif|DBG|need revalidate in
ofproto_wait_cb()
2013-10-13T07:54:11.282Z|1971405|poll_loop|DBG|wakeup due to 0-ms
timeout at ../ofproto/ofproto-dpif.c:1595 (0% CPU usage)
2013-10-13T07:54:11.282Z|1971406|poll_loop|DBG|wakeup due to [POLLIN]
on fd 51 (172.16.252.251:55308<->172.16.252.252:6633) at
../lib/stream-fd.c:124 (0% CPU usage)
2013-10-13T07:54:11.282Z|1971407|vconn|DBG|tcp:172.16.252.252:6633:
received: OFPT_FLOW_MOD (xid=0x535): DEL
priority=1000,udp,in_port=361,dl_src=52:54:00:00:00:c3,tp_src=68,tp_dst=67
actions=drop
2013-10-13T07:54:11.282Z|1971408|vconn|DBG|tcp:172.16.252.252:6633:
received: OFPT_FLOW_MOD (xid=0x536): ADD
priority=0,arp,in_port=361,dl_src=52:54:00:00:00:c3 buf:0x0 out_port:3
actions=drop
2013-10-13T07:54:11.282Z|1971409|pktbuf|WARN|attempt to reuse buffer 00000000
2013-10-13T07:54:11.282Z|1971410|connmgr|INFO|ovs-vm<->tcp:172.16.252.252:6633:
sending OFPBRC_BUFFER_EMPTY error reply to OFPT_FLOW_MOD message
2013-10-13T07:54:11.282Z|1971411|vconn|DBG|tcp:172.16.252.252:6633:
sent (Success): OFPT_ERROR (xid=0x536): OFPBRC_BUFFER_EMPTY
OFPT_FLOW_MOD (xid=0x536):
(***truncated to 64 bytes from 72***)
00000000  01 0e 00 48 00 00 05 36-ff ff ff ea 01 69 52 54 |...H...6.....iRT|
00000010  00 00 00 c3 00 00 00 00-00 00 00 00 00 00 08 06 |................|
00000020  00 00 00 00 00 00 00 00-00 00 00 00 00 00 ff ff |................|
00000030  00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 |................|


-- 
Vasiliy Tolstov,
e-mail: v.tolstov at selfip.ru
jabber: vase at selfip.ru