[ovs-discuss] DPDK OVS on Ubuntu 14.04

Abhijeet Karve abhijeet.karve10 at gmail.com
Wed Nov 25 10:46:53 UTC 2015


Dear All,

We are trying to install DPDK OVS on top of the openstack juno in Ubuntu
14.04 single server. We are referring following steps for executing the
same.



https://software.intel.com/en-us/blogs/2015/06/09/building-vhost-user-for-ovs-today-using-dpdk-200



During execution we are getting some issues with ovs-vswitchd service as
its getting hang during starting.

nfv-dpdk at nfv-dpdk:~$ tail -f /var/log/openvswitch/ovs-vswitchd.log

2015-11-24T10:54:34.036Z|00006|reconnect|INFO|unix:/var/run/openvswitch/db.sock:
connecting...

2015-11-24T10:54:34.036Z|00007|reconnect|INFO|unix:/var/run/openvswitch/db.sock:
connected

2015-11-24T10:54:34.064Z|00008|bridge|INFO|ovs-vswitchd (Open vSwitch)
2.4.90

2015-11-24T11:03:42.957Z|00002|vlog|INFO|opened log file
/var/log/openvswitch/ov
                                                                 s-vswitchd.log

2015-11-24T11:03:42.958Z|00003|ovs_numa|INFO|Discovered 24 CPU cores on
NUMA
nod
e 0

2015-11-24T11:03:42.958Z|00004|ovs_numa|INFO|Discovered 24 CPU cores on
NUMA
nod
e 1

2015-11-24T11:03:42.958Z|00005|ovs_numa|INFO|Discovered 2 NUMA nodes and 48
CPU
                                         cores

2015-11-24T11:03:42.958Z|00006|reconnect|INFO|unix:/var/run/openvswitch/db.sock:
connecting...

2015-11-24T11:03:42.958Z|00007|reconnect|INFO|unix:/var/run/openvswitch/db.sock:
connected

2015-11-24T11:03:42.961Z|00008|bridge|INFO|ovs-vswitchd (Open vSwitch)
2.4.90



Also, attaching output(Hugepage.txt) of  “ ./ovs-vswitchd --dpdk -c 0x0FF8
-n 4 --socket-mem 1024,0 --
--log-file=/var/log/openvswitch/ovs-vswitchd.log
--pidfile=/var/run/oppenvswitch/ovs-vswitchd.pid”



-          We tried seting up echo 0 >
/sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages, but couldn’t
succeeded.

      Can anyone please help us in getting the things if we are missing any
and causing ovs-vswitchd to stuck while starting?



Also, when we create vm in openstack with DPDK OVS, dpdkvhost-user type
interfaces are getting created automatically. If this interfaces are
getting mapped with regular br-int bridge rather than DPDK bridge br0 then
is this mean that we have successfully enabled DPDK with netdev datapath?






We really appreciate for all the advice if you have.


Thanks,

Abhijeet
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root at nfv-dpdk:/opt/stack/ovs/vswitchd# ./ovs-vswitchd --dpdk -c 0x0FF8 -n 4 --socket-mem 1024,0 -- --log-file=/var/log/openvswitch/ovs-vswitchd.log --pidfile=/var/run/op
penvswitch/ovs-vswitchd.pid



root at nfv-dpdk:/opt/stack/ovs/vswitchd# killall ovs-vswitchd


ovs-vswitchd: no process found
root at nfv-dpdk:/opt/stack/ovs/vswitchd#./ovs-vswitchd --dpdk -c 0x0FF8 -n 4 --socket-mem 1024,0 -- --log-file=/var/log/openvswitch/ovs-vswitchd.log --pidfile=/var/run/op
penvswitch/ovs-vswitchd.pid
2015-11-24T13:14:09Z|00001|dpdk|INFO|No -vhost_sock_dir provided - defaulting to /var/run/openvswitch
EAL: Detected lcore 0 as core 0 on socket 0
EAL: Detected lcore 1 as core 1 on socket 0
EAL: Detected lcore 2 as core 2 on socket 0
EAL: Detected lcore 3 as core 3 on socket 0
EAL: Detected lcore 4 as core 4 on socket 0
EAL: Detected lcore 5 as core 5 on socket 0
EAL: Detected lcore 6 as core 8 on socket 0
EAL: Detected lcore 7 as core 9 on socket 0
EAL: Detected lcore 8 as core 10 on socket 0
EAL: Detected lcore 9 as core 11 on socket 0
EAL: Detected lcore 10 as core 12 on socket 0
EAL: Detected lcore 11 as core 13 on socket 0
EAL: Detected lcore 12 as core 0 on socket 1
EAL: Detected lcore 13 as core 1 on socket 1
EAL: Detected lcore 14 as core 2 on socket 1
EAL: Detected lcore 15 as core 3 on socket 1
EAL: Detected lcore 16 as core 4 on socket 1
EAL: Detected lcore 17 as core 5 on socket 1
EAL: Detected lcore 18 as core 8 on socket 1
EAL: Detected lcore 19 as core 9 on socket 1
EAL: Detected lcore 20 as core 10 on socket 1
EAL: Detected lcore 21 as core 11 on socket 1
EAL: Detected lcore 22 as core 12 on socket 1
EAL: Detected lcore 23 as core 13 on socket 1
EAL: Detected lcore 24 as core 0 on socket 0
EAL: Detected lcore 25 as core 1 on socket 0
EAL: Detected lcore 26 as core 2 on socket 0
EAL: Detected lcore 27 as core 3 on socket 0
EAL: Detected lcore 28 as core 4 on socket 0
EAL: Detected lcore 29 as core 5 on socket 0
EAL: Detected lcore 30 as core 8 on socket 0
EAL: Detected lcore 31 as core 9 on socket 0
EAL: Detected lcore 32 as core 10 on socket 0
EAL: Detected lcore 33 as core 11 on socket 0
EAL: Detected lcore 34 as core 12 on socket 0
EAL: Detected lcore 35 as core 13 on socket 0
EAL: Detected lcore 36 as core 0 on socket 1
EAL: Detected lcore 37 as core 1 on socket 1
EAL: Detected lcore 38 as core 2 on socket 1
EAL: Detected lcore 39 as core 3 on socket 1
EAL: Detected lcore 40 as core 4 on socket 1
EAL: Detected lcore 41 as core 5 on socket 1
EAL: Detected lcore 42 as core 8 on socket 1
EAL: Detected lcore 43 as core 9 on socket 1
EAL: Detected lcore 44 as core 10 on socket 1
EAL: Detected lcore 45 as core 11 on socket 1
EAL: Detected lcore 46 as core 12 on socket 1
EAL: Detected lcore 47 as core 13 on socket 1
EAL: Support maximum 128 logical core(s) by configuration.
EAL: Detected 48 lcore(s)
EAL: VFIO modules not all loaded, skip VFIO support...
EAL: Searching for IVSHMEM devices...
EAL: No IVSHMEM configuration found! 
EAL: Setting up memory...
EAL: Ask a virtual area of 0x8a00000 bytes
EAL: Virtual area found at 0x7f2cf6800000 (size = 0x8a00000)
EAL: Ask a virtual area of 0x4800000 bytes
EAL: Virtual area found at 0x7f2d1ba00000 (size = 0x4800000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d1b600000 (size = 0x200000)
EAL: Ask a virtual area of 0x7800000 bytes
EAL: Virtual area found at 0x7f2d13c00000 (size = 0x7800000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d13800000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d13400000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d13000000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d12c00000 (size = 0x200000)
EAL: Ask a virtual area of 0x800000 bytes
EAL: Virtual area found at 0x7f2cf5e00000 (size = 0x800000)
EAL: Ask a virtual area of 0x8800000 bytes
EAL: Virtual area found at 0x7f2ced400000 (size = 0x8800000)
EAL: Ask a virtual area of 0x6400000 bytes
EAL: Virtual area found at 0x7f2d0c600000 (size = 0x6400000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d0c200000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d0be00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d0ba00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d0b600000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d0b200000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d0ae00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d0aa00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d0a600000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d0a200000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d09e00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d09a00000 (size = 0x200000)
EAL: Ask a virtual area of 0x400000 bytes
EAL: Virtual area found at 0x7f2d09400000 (size = 0x400000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d09000000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d08c00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d08800000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d08400000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d08000000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d07c00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d07800000 (size = 0x200000)
EAL: Ask a virtual area of 0x400000 bytes
EAL: Virtual area found at 0x7f2d07200000 (size = 0x400000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d06e00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d06a00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2ced000000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d06600000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2cecc00000 (size = 0x200000)
EAL: Ask a virtual area of 0x400000 bytes
EAL: Virtual area found at 0x7f2cec600000 (size = 0x400000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d06200000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d05e00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d05a00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2cec200000 (size = 0x200000)
EAL: Ask a virtual area of 0x400000 bytes
EAL: Virtual area found at 0x7f2cebc00000 (size = 0x400000)
EAL: Ask a virtual area of 0x400000 bytes
EAL: Virtual area found at 0x7f2d05400000 (size = 0x400000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d05000000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d04c00000 (size = 0x200000)
EAL: Ask a virtual area of 0x400000 bytes
EAL: Virtual area found at 0x7f2ceb600000 (size = 0x400000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d04800000 (size = 0x200000)
EAL: Ask a virtual area of 0x400000 bytes
EAL: Virtual area found at 0x7f2ceb000000 (size = 0x400000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d04400000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d04000000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d03c00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2ceac00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d03800000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2cea800000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d03400000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2cea400000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d03000000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2cea000000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d02c00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2ce9c00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d02800000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2ce9800000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d02400000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2ce9400000 (size = 0x200000)
EAL: Ask a virtual area of 0x400000 bytes
EAL: Virtual area found at 0x7f2ce8e00000 (size = 0x400000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d02000000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d01c00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d01800000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2ce8a00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d01400000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2ce8600000 (size = 0x200000)
EAL: Ask a virtual area of 0x400000 bytes
EAL: Virtual area found at 0x7f2ce8000000 (size = 0x400000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d01000000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d00c00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d00800000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2ce7c00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d00400000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2ce7800000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2d00000000 (size = 0x200000)
EAL: Ask a virtual area of 0x400000 bytes
EAL: Virtual area found at 0x7f2ce7200000 (size = 0x400000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2cffc00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2ce6e00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2cff800000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2ce6a00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2ce6600000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2ce6200000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2cff400000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2ce5e00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2ce5a00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2ce5600000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2ce5200000 (size = 0x200000)
EAL: Ask a virtual area of 0x14800000 bytes
EAL: Virtual area found at 0x7f2cd0800000 (size = 0x14800000)
EAL: Ask a virtual area of 0x800000 bytes
EAL: Virtual area found at 0x7f2ccfe00000 (size = 0x800000)
EAL: Ask a virtual area of 0x400000 bytes
EAL: Virtual area found at 0x7f2ccf800000 (size = 0x400000)
EAL: Ask a virtual area of 0xc00000 bytes
EAL: Virtual area found at 0x7f2ccea00000 (size = 0xc00000)
EAL: Ask a virtual area of 0x800000 bytes
EAL: Virtual area found at 0x7f2cce000000 (size = 0x800000)
EAL: Ask a virtual area of 0x17a00000 bytes
EAL: Virtual area found at 0x7f2cb6400000 (size = 0x17a00000)
EAL: Ask a virtual area of 0x42200000 bytes
EAL: Virtual area found at 0x7f2c74000000 (size = 0x42200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2c73c00000 (size = 0x200000)
EAL: Ask a virtual area of 0x11800000 bytes
EAL: Virtual area found at 0x7f2c62200000 (size = 0x11800000)
EAL: Ask a virtual area of 0x4800000 bytes
EAL: Virtual area found at 0x7f2c5d800000 (size = 0x4800000)
EAL: Ask a virtual area of 0x400000 bytes
EAL: Virtual area found at 0x7f2c5d200000 (size = 0x400000)
EAL: Ask a virtual area of 0x9200000 bytes
EAL: Virtual area found at 0x7f2c53e00000 (size = 0x9200000)
EAL: Ask a virtual area of 0x1800000 bytes
EAL: Virtual area found at 0x7f2c52400000 (size = 0x1800000)
EAL: Ask a virtual area of 0x1ee00000 bytes
EAL: Virtual area found at 0x7f2c33400000 (size = 0x1ee00000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2c33000000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f2c32c00000 (size = 0x200000)
EAL: Ask a virtual area of 0xa800000 bytes
EAL: Virtual area found at 0x7f2c28200000 (size = 0xa800000)
EAL: Ask a virtual area of 0x15200000 bytes
EAL: Virtual area found at 0x7f2c12e00000 (size = 0x15200000)
EAL: Ask a virtual area of 0x400000 bytes
EAL: Virtual area found at 0x7f2c12800000 (size = 0x400000)
EAL: Requesting 512 pages of size 2MB from socket 0
EAL: TSC frequency is ~2596991 KHz
EAL: Master lcore 3 is ready (tid=21ffa700;cpuset=[3])
PMD: ENICPMD trace: rte_enic_pmd_init
EAL: lcore 5 is ready (tid=e49fe700;cpuset=[5])
EAL: lcore 4 is ready (tid=e51ff700;cpuset=[4])
EAL: lcore 9 is ready (tid=e29fa700;cpuset=[9])
EAL: lcore 6 is ready (tid=e41fd700;cpuset=[6])
EAL: lcore 10 is ready (tid=e21f9700;cpuset=[10])
EAL: lcore 7 is ready (tid=e39fc700;cpuset=[7])
EAL: lcore 11 is ready (tid=e19f8700;cpuset=[11])
EAL: lcore 8 is ready (tid=e31fb700;cpuset=[8])
EAL: PCI device 0000:04:00.0 on NUMA socket 0
EAL:   probe driver: 8086:10fb rte_ixgbe_pmd
EAL:   Not managed by a supported kernel driver, skipped
EAL: PCI device 0000:04:00.1 on NUMA socket 0
EAL:   probe driver: 8086:10fb rte_ixgbe_pmd
EAL:   Not managed by a supported kernel driver, skipped
Zone 0: name:<MALLOC_S0_HEAP_0>, phys:0x30400000, len:0xb00000, virt:0x7f2d1ba00000, socket_id:0, flags:0
Zone 1: name:<RG_MP_log_history>, phys:0x35400000, len:0x2080, virt:0x7f2d1b600000, socket_id:0, flags:0
Zone 2: name:<MP_log_history>, phys:0xe3ce00000, len:0x28a0c0, virt:0x7f2d09400000, socket_id:0, flags:0
2015-11-24T13:14:12Z|00002|vlog|INFO|opened log file /var/log/openvswitch/ovs-vswitchd.log
2015-11-24T13:14:12Z|00003|ovs_numa|INFO|Discovered 24 CPU cores on NUMA node 0
2015-11-24T13:14:12Z|00004|ovs_numa|INFO|Discovered 24 CPU cores on NUMA node 1
2015-11-24T13:14:12Z|00005|ovs_numa|INFO|Discovered 2 NUMA nodes and 48 CPU cores
2015-11-24T13:14:12Z|00006|reconnect|INFO|unix:/var/run/openvswitch/db.sock: connecting...
2015-11-24T13:14:12Z|00007|reconnect|INFO|unix:/var/run/openvswitch/db.sock: connected
2015-11-24T13:14:12Z|00008|ofproto_dpif|INFO|netdev at ovs-netdev: Datapath supports recirculation
2015-11-24T13:14:12Z|00009|ofproto_dpif|INFO|netdev at ovs-netdev: MPLS label stack length probed as 3
2015-11-24T13:14:12Z|00010|ofproto_dpif|INFO|netdev at ovs-netdev: Datapath supports unique flow ids
2015-11-24T13:14:12Z|00011|dpif_netlink|ERR|Generic Netlink family 'ovs_datapath' does not exist. The Open vSwitch kernel module is probably not loaded.
2015-11-24T13:14:12Z|00012|dpif|WARN|failed to enumerate system datapaths: No such file or directory
2015-11-24T13:14:12Z|00013|dpif|WARN|failed to create datapath ovs-system: No such file or directory
2015-11-24T13:14:12Z|00014|ofproto_dpif|ERR|failed to open datapath of type system: No such file or directory
2015-11-24T13:14:12Z|00015|ofproto|ERR|failed to open datapath br-eth1: No such file or directory
2015-11-24T13:14:12Z|00016|bridge|ERR|failed to create bridge br-eth1: No such file or directory
2015-11-24T13:14:12Z|00017|bridge|INFO|bridge br-ex: added interface br-ex on port 65534
2015-11-24T13:14:12Z|00018|bridge|INFO|bridge br-int: added interface tapb6327a6f-e3 on port 1
2015-11-24T13:14:12Z|00019|bridge|INFO|bridge br-int: added interface br-int on port 65534
2015-11-24T13:14:12Z|00020|bridge|INFO|bridge br-ex: using datapath ID 0000be3137b62448
2015-11-24T13:14:12Z|00021|connmgr|INFO|br-ex: added service controller "punix:/var/run/openvswitch/br-ex.mgmt"
2015-11-24T13:14:12Z|00022|bridge|INFO|bridge br-int: using datapath ID 000016d2ab534949
2015-11-24T13:14:12Z|00023|connmgr|INFO|br-int: added service controller "punix:/var/run/openvswitch/br-int.mgmt"
2015-11-24T13:14:12Z|00024|bridge|INFO|ovs-vswitchd (Open vSwitch) 2.4.90
2015-11-24T13:14:19Z|00025|memory|INFO|25200 kB peak resident set size after 10.3 seconds
2015-11-24T13:14:19Z|00026|memory|INFO|handlers:17 ports:3 revalidators:7 rules:9


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