[ovs-discuss] internal error parsing flow key

Jakub Jursa jakub.jursa at lablabs.io
Tue May 21 09:30:05 UTC 2019


Hello,

we're running openvswitch as Neutron ml2 agent in OpenStack Rocky
environment and we're using ovs offloading (
https://docs.openstack.org/neutron/rocky/admin/config-ovs-offload.html
), the traffic mainly consists of multicast. Problem is that we're
seeing thousands of logs like this

2019-05-21T09:20:04.405Z|00048|odp_util(handler13)|ERR|Dropped 13 log
messages in last 57 seconds (most recently, 1 seconds ago) due to
excessive rate
2019-05-21T09:20:04.405Z|00049|odp_util(handler13)|ERR|internal error
parsing flow key
recirc_id(0),dp_hash(0),skb_priority(0),in_port(2),skb_mark(0),ct_state(0),ct_zone(0),ct_mark(0),ct_label(0),eth(src=84:b5:9c:f6:1c:00,dst=01:00:5e:0a:0a:ee),eth_type(0x8100),vlan(vid=1017,pcp=6),encap(eth_type(0x0800),ipv4(src=10.1.36.65,dst=227.10.10.238,proto=2,tos=0xc0,ttl=1,frag=no))
2019-05-21T09:21:06.764Z|00050|odp_util(handler13)|ERR|Dropped 28 log
messages in last 55 seconds (most recently, 5 seconds ago) due to
excessive rate
2019-05-21T09:21:06.764Z|00051|odp_util(handler13)|ERR|internal error
parsing flow key
recirc_id(0),dp_hash(0),skb_priority(0),in_port(2),skb_mark(0),ct_state(0),ct_zone(0),ct_mark(0),ct_label(0),eth(src=84:b5:9c:f6:1c:00,dst=01:00:5e:00:00:01),eth_type(0x8100),vlan(vid=1001,pcp=6),encap(eth_type(0x0800),ipv4(src=10.1.48.1,dst=224.0.0.1,proto=2,tos=0xc0,ttl=1,frag=no))
2019-05-21T09:22:21.799Z|00059|odp_util(handler11)|ERR|Dropped 20 log
messages in last 72 seconds (most recently, 19 seconds ago) due to
excessive rate
2019-05-21T09:22:21.799Z|00060|odp_util(handler11)|ERR|internal error
parsing flow key
recirc_id(0),dp_hash(0),skb_priority(0),in_port(2),skb_mark(0),ct_state(0),ct_zone(0),ct_mark(0),ct_label(0),eth(src=84:b5:9c:f6:1c:00,dst=01:00:5e:00:00:01),eth_type(0x8100),vlan(vid=1017,pcp=6),encap(eth_type(0x0800),ipv4(src=10.1.36.65,dst=224.0.0.1,proto=2,tos=0xc0,ttl=1,frag=no))

in ovs-vswitchd.log. Any idea what that could mean?

Ubuntu 18.04, openvswitch 2.10, 4.18.0-16 kernel



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