I have same issue with highload cpu usage on network node Openstack Rocky Ubuntu 18.04
Kernel 4.15.0-48-generic #51-Ubuntu
Package:
ii neutron-openvswitch-agent 2:13.0.2-0ubuntu3.1~cloud0 all Neutron is a virtual network service for Openstack - Open vSwitch plugin agent
ii openvswitch-common 2.10.0-0ubuntu2~cloud0 amd64 Open vSwitch common components
ii openvswitch-switch 2.10.0-0ubuntu2~cloud0 amd64 Open vSwitch switch implementations
Sytem not reboot,
from logs ovs-vswitchd.log:
2019-05-08T15:30:13.280Z|00726|connmgr|INFO|br-tun<->tcp:127.0.0.1:6633: 12 flow_mods in the 9 s starting 10 s ago (9 adds, 3 deletes)
2019-05-08T15:30:14.232Z|00727|bridge|INFO|bridge br-tun: added interface vxlan-0ac84a99 on port 55
2019-05-08T15:30:17.456Z|00002|poll_loop(handler68)|INFO|wakeup due to [POLLIN] on fd 29 (unknown anon_inode:[eventpoll]) at ../lib/dpif-netlink.c:2786 (99% CPU usage)
2019-05-08T15:30:17.456Z|00003|poll_loop(handler68)|INFO|wakeup due to [POLLIN] on fd 29 (unknown anon_inode:[eventpoll]) at ../lib/dpif-netlink.c:2786 (99% CPU usage)
2019-05-08T15:30:17.456Z|00004|poll_loop(handler68)|INFO|wakeup due to [POLLIN] on fd 29 (unknown anon_inode:[eventpoll]) at ../lib/dpif-netlink.c:2786 (99% CPU usage)
2019-05-08T15:30:17.456Z|00005|poll_loop(handler68)|INFO|wakeup due to [POLLIN] on fd 29 (unknown anon_inode:[eventpoll]) at ../lib/dpif-netlink.c:2786 (99% CPU usage)
2019-05-08T15:30:17.456Z|00006|poll_loop(handler68)|INFO|wakeup due to [POLLIN] on fd 29 (unknown anon_inode:[eventpoll]) at ../lib/dpif-netlink.c:2786 (99% CPU usage)
2019-05-08T15:30:17.456Z|00007|poll_loop(handler68)|INFO|wakeup due to [POLLIN] on fd 29 (unknown anon_inode:[eventpoll]) at ../lib/dpif-netlink.c:2786 (99% CPU usage)
2019-05-08T15:30:17.456Z|00008|poll_loop(handler68)|INFO|wakeup due to [POLLIN] on fd 29 (unknown anon_inode:[eventpoll]) at ../lib/dpif-netlink.c:2786 (99% CPU usage)
2019-05-08T15:30:17.456Z|00009|poll_loop(handler68)|INFO|wakeup due to [POLLIN] on fd 29 (unknown anon_inode:[eventpoll]) at ../lib/dpif-netlink.c:2786 (99% CPU usage)
2019-05-08T15:30:17.456Z|00010|poll_loop(handler68)|INFO|wakeup due to [POLLIN] on fd 29 (unknown anon_inode:[eventpoll]) at ../lib/dpif-netlink.c:2786 (99% CPU usage)
2019-05-08T15:30:17.456Z|00011|poll_loop(handler68)|INFO|wakeup due to [POLLIN] on fd 29 (unknown anon_inode:[eventpoll]) at ../lib/dpif-netlink.c:2786 (99% CPU usage)
2019-05-08T15:30:23.456Z|00012|poll_loop(handler68)|INFO|Dropped 2841636 log messages in last 6 seconds (most recently, 0 seconds ago) due to excessive rate
2019-05-08T15:30:23.456Z|00013|poll_loop(handler68)|INFO|wakeup due to [POLLIN] on fd 29 (unknown anon_inode:[eventpoll]) at ../lib/dpif-netlink.c:2786 (99% CPU usage)
I have same issue with highload cpu usage on network node Openstack Rocky Ubuntu 18.04
Kernel 4.15.0-48-generic #51-Ubuntu
Package: openvswitch- agent 2:13.0. 2-0ubuntu3. 1~cloud0 all Neutron is a virtual network service for Openstack - Open vSwitch plugin agent 0ubuntu2~ cloud0 amd64 Open vSwitch common components 0ubuntu2~ cloud0 amd64 Open vSwitch switch implementations
ii neutron-
ii openvswitch-common 2.10.0-
ii openvswitch-switch 2.10.0-
Sytem not reboot, 08T15:30: 13.280Z| 00726|connmgr| INFO|br- tun<->tcp: 127.0.0. 1:6633: 12 flow_mods in the 9 s starting 10 s ago (9 adds, 3 deletes) 08T15:30: 14.232Z| 00727|bridge| INFO|bridge br-tun: added interface vxlan-0ac84a99 on port 55 08T15:30: 17.456Z| 00002|poll_ loop(handler68) |INFO|wakeup due to [POLLIN] on fd 29 (unknown anon_inode: [eventpoll] ) at ../lib/ dpif-netlink. c:2786 (99% CPU usage) 08T15:30: 17.456Z| 00003|poll_ loop(handler68) |INFO|wakeup due to [POLLIN] on fd 29 (unknown anon_inode: [eventpoll] ) at ../lib/ dpif-netlink. c:2786 (99% CPU usage) 08T15:30: 17.456Z| 00004|poll_ loop(handler68) |INFO|wakeup due to [POLLIN] on fd 29 (unknown anon_inode: [eventpoll] ) at ../lib/ dpif-netlink. c:2786 (99% CPU usage) 08T15:30: 17.456Z| 00005|poll_ loop(handler68) |INFO|wakeup due to [POLLIN] on fd 29 (unknown anon_inode: [eventpoll] ) at ../lib/ dpif-netlink. c:2786 (99% CPU usage) 08T15:30: 17.456Z| 00006|poll_ loop(handler68) |INFO|wakeup due to [POLLIN] on fd 29 (unknown anon_inode: [eventpoll] ) at ../lib/ dpif-netlink. c:2786 (99% CPU usage) 08T15:30: 17.456Z| 00007|poll_ loop(handler68) |INFO|wakeup due to [POLLIN] on fd 29 (unknown anon_inode: [eventpoll] ) at ../lib/ dpif-netlink. c:2786 (99% CPU usage) 08T15:30: 17.456Z| 00008|poll_ loop(handler68) |INFO|wakeup due to [POLLIN] on fd 29 (unknown anon_inode: [eventpoll] ) at ../lib/ dpif-netlink. c:2786 (99% CPU usage) 08T15:30: 17.456Z| 00009|poll_ loop(handler68) |INFO|wakeup due to [POLLIN] on fd 29 (unknown anon_inode: [eventpoll] ) at ../lib/ dpif-netlink. c:2786 (99% CPU usage) 08T15:30: 17.456Z| 00010|poll_ loop(handler68) |INFO|wakeup due to [POLLIN] on fd 29 (unknown anon_inode: [eventpoll] ) at ../lib/ dpif-netlink. c:2786 (99% CPU usage) 08T15:30: 17.456Z| 00011|poll_ loop(handler68) |INFO|wakeup due to [POLLIN] on fd 29 (unknown anon_inode: [eventpoll] ) at ../lib/ dpif-netlink. c:2786 (99% CPU usage) 08T15:30: 23.456Z| 00012|poll_ loop(handler68) |INFO|Dropped 2841636 log messages in last 6 seconds (most recently, 0 seconds ago) due to excessive rate 08T15:30: 23.456Z| 00013|poll_ loop(handler68) |INFO|wakeup due to [POLLIN] on fd 29 (unknown anon_inode: [eventpoll] ) at ../lib/ dpif-netlink. c:2786 (99% CPU usage)
from logs ovs-vswitchd.log:
2019-05-
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2019-05-
2019-05-
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