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compute node cannot launch an instance

I have Installed single node environment later I added a compute node. I have launch few instances on both controller node and compute node. After the few days I try to into console of instance on compute node, cannot leting me in th console but instances on controll node are working perfectly fine.

cat /car/log/nova/nova.compute.log | grep error

I have check the logs on compute node.ca5a-4fc0-9cbd-bc1a3bae337e] An error occurred while refreshing the network cache. 2016-04-27 12:26:19.710 2049 ERROR nova.compute.manager [req-adca1c54-239b-4d62-976e-fa1fc02917cc - - - - -] [instance: f5730e13-036c-4d8f-af12-994bf6338f27] An error occurred while refreshing the network cache. 2016-04-27 12:28:04.616 2049 ERROR nova.compute.manager [req-adca1c54-239b-4d62-976e-fa1fc02917cc - - - - -] [instance: d816a908-ca5a-4fc0-9cbd-bc1a3bae337e] An error occurred while refreshing the network cache. 2016-04-27 12:29:21.770 2049 ERROR nova.compute.manager [req-adca1c54-239b-4d62-976e-fa1fc02917cc - - - - -] [instance: f5730e13-036c-4d8f-af12-994bf6338f27] An error occurred while refreshing the network cache. 2016-04-27 12:30:23.739 2049 ERROR nova.compute.manager [req-adca1c54-239b-4d62-976e-fa1fc02917cc - - - - -] [instance: d816a908-ca5a-4fc0-9cbd-bc1a3bae337e] An error occurred while refreshing the network cache. 2016-04-27 12:31:23.848 2049 ERROR nova.compute.manager [req-adca1c54-239b-4d62-976e-fa1fc02917cc - - - - -] [instance: f5730e13-036c-4d8f-af12-994bf6338f27] An error occurred while refreshing the network cache. 2016-04-27 12:31:33.229 2049 ERROR nova.compute.manager [instance: d0f67deb-35db-4b84-954d-eb9407453017] 'create.error', fault=e) 2016-04-27 12:31:33.317 2049 ERROR nova.compute.manager [instance: 1a090723-50d3-4315-b56c-49a22ad88ef5] 'create.error', fault=e) 2016-04-27 12:32:23.729 2049 ERROR nova.compute.manager [req-adca1c54-239b-4d62-976e-fa1fc02917cc - - - - -] [instance: d816a908-ca5a-4fc0-9cbd-bc1a3bae337e] An error occurred while refreshing the network cache. 2016-04-27 14:50:21.129 2084 ERROR nova.compute.manager [req-00f5432d-ff26-482e-9a67-03eb7ee2b69f - - - - -] [instance: d816a908-ca5a-4fc0-9cbd-bc1a3bae337e] An error occurred while refreshing the network cache. 2016-04-27 14:51:41.443 2084 ERROR nova.compute.manager [req-00f5432d-ff26-482e-9a67-03eb7ee2b69f - - - - -] [instance: f5730e13-036c-4d8f-af12-994bf6338f27] An error occurred while refreshing the network cache. 2016-04-27 14:52:30.652 2084 ERROR nova.compute.manager [req-00f5432d-ff26-482e-9a67-03eb7ee2b69f - - - - -] [instance: d816a908-ca5a-4fc0-9cbd-bc1a3bae337e] An error occurred while refreshing the network cache.

[root@compute nova]# systemctl status libvirtd.socket

Apr 27 16:33:01 compute systemd[1]: Starting Virtualization daemon... Apr 27 16:33:16 compute libvirtd[35138]: libvirt version: 1.2.17, package: 13.el7_2.4 (CentOS BuildSystem <http: bugs.c...s.org)="" apr="" 27="" 16:33:16="" compute="" libvirtd[35138]:="" module="" usr="" lib64="" libvirt="" connection-driver="" libvirt_driver_lxc.so="" not="" accessible="" apr="" 27="" 16:33:16="" compute="" systemd[1]:="" started="" virtualization="" daemon.="" hint:="" some="" lines="" were="" ellipsized,="" use="" -l="" to="" show="" in="" full.="" [root@compute="" ~]#="" systemctl="" status="" libvirtd.socket="" ●="" libvirtd.socket="" loaded:="" loaded="" (="" usr="" lib="" systemd="" system="" libvirtd.socket;="" static;="" vendor="" preset:="" disabled)="" active:="" inactive="" (dead)="" listen:="" var="" run="" libvirt="" libvirt-sock="" (stream)="" var="" run="" libvirt="" libvirt-sock-ro="" (stream)<="" p="">

cat /var/log/messages | grep error

Apr 27 15:47:42 compute systemd[1]: Socket service libvirtd.service already active, refusing. Apr 27 15:47:42 compute systemd[1]: Failed to listen on libvirtd.socket.

pr 27 16:30:25 compute vmusr[3561]: [ warning] [vmusr] SimpleSock: Send error for socket 6: 32[Broken pipe] Apr 27 16:31:27 compute vmusr[3561]: [ warning] [vmusr] SimpleSock: Send error for socket 6: 32[Broken pipe] Apr 27 16:31:27 compute vmusr[3561]: [ warning] [vmusr] SimpleSock: Send error for socket 6: 32[Broken pipe] Apr 27 16:31:45 compute vmusr[3561]: [ warning] [vmusr] SimpleSock: Send error for socket 6: 32[Broken pipe] Apr 27 16:34:08 compute vmusr[3561]: [ warning] [vmusr] SimpleSock: Send error for socket 6: 32[Broken pipe] Apr 27 16:41:00 compute vmusr[3561]: [ warning] [vmusr] SimpleSock: Send error for socket 6: 32[Broken pipe] Apr 27 16:46:03 compute vmusr[3561]: [ warning] [vmusr] Simp

compute node cannot launch an instance

I have Installed single node environment later I added a compute node. I have launch few instances on both controller node and compute node. After the few days I try to into console of instance on compute node, cannot leting me in th console but instances on controll node are working perfectly fine.

cat /car/log/nova/nova.compute.log | grep error

error

I have check the logs on compute node.ca5a-4fc0-9cbd-bc1a3bae337e] An error occurred while refreshing the network cache. cache.

2016-04-27 12:26:19.710 2049 ERROR nova.compute.manager [req-adca1c54-239b-4d62-976e-fa1fc02917cc - - - - -] [instance: f5730e13-036c-4d8f-af12-994bf6338f27] An error occurred while refreshing the network cache.
2016-04-27 12:28:04.616 2049 ERROR nova.compute.manager [req-adca1c54-239b-4d62-976e-fa1fc02917cc - - - - -] [instance: d816a908-ca5a-4fc0-9cbd-bc1a3bae337e] An error occurred while refreshing the network cache.
2016-04-27 12:29:21.770 2049 ERROR nova.compute.manager [req-adca1c54-239b-4d62-976e-fa1fc02917cc - - - - -] [instance: f5730e13-036c-4d8f-af12-994bf6338f27] An error occurred while refreshing the network cache.
2016-04-27 12:30:23.739 2049 ERROR nova.compute.manager [req-adca1c54-239b-4d62-976e-fa1fc02917cc - - - - -] [instance: d816a908-ca5a-4fc0-9cbd-bc1a3bae337e] An error occurred while refreshing the network cache.
2016-04-27 12:31:23.848 2049 ERROR nova.compute.manager [req-adca1c54-239b-4d62-976e-fa1fc02917cc - - - - -] [instance: f5730e13-036c-4d8f-af12-994bf6338f27] An error occurred while refreshing the network cache.
2016-04-27 12:31:33.229 2049 ERROR nova.compute.manager [instance: d0f67deb-35db-4b84-954d-eb9407453017]     'create.error', fault=e)
2016-04-27 12:31:33.317 2049 ERROR nova.compute.manager [instance: 1a090723-50d3-4315-b56c-49a22ad88ef5]     'create.error', fault=e)
2016-04-27 12:32:23.729 2049 ERROR nova.compute.manager [req-adca1c54-239b-4d62-976e-fa1fc02917cc - - - - -] [instance: d816a908-ca5a-4fc0-9cbd-bc1a3bae337e] An error occurred while refreshing the network cache.
2016-04-27 14:50:21.129 2084 ERROR nova.compute.manager [req-00f5432d-ff26-482e-9a67-03eb7ee2b69f - - - - -] [instance: d816a908-ca5a-4fc0-9cbd-bc1a3bae337e] An error occurred while refreshing the network cache.
2016-04-27 14:51:41.443 2084 ERROR nova.compute.manager [req-00f5432d-ff26-482e-9a67-03eb7ee2b69f - - - - -] [instance: f5730e13-036c-4d8f-af12-994bf6338f27] An error occurred while refreshing the network cache.
2016-04-27 14:52:30.652 2084 ERROR nova.compute.manager [req-00f5432d-ff26-482e-9a67-03eb7ee2b69f - - - - -] [instance: d816a908-ca5a-4fc0-9cbd-bc1a3bae337e] An error occurred while refreshing the network cache.

cache. [root@compute nova]# systemctl status libvirtd.socket

libvirtd.socket Apr 27 16:33:01 compute systemd[1]: Starting Virtualization daemon... Apr 27 16:33:16 compute libvirtd[35138]: libvirt version: 1.2.17, package: 13.el7_2.4 (CentOS BuildSystem <http: bugs.c...s.org)="" apr="" 27="" 16:33:16="" compute="" libvirtd[35138]:="" module="" usr="" lib64="" libvirt="" connection-driver="" libvirt_driver_lxc.so="" not="" accessible="" apr="" 27="" 16:33:16="" compute="" systemd[1]:="" started="" virtualization="" daemon.="" hint:="" some="" lines="" were="" ellipsized,="" use="" -l="" to="" show="" in="" full.="" [root@compute="" ~]#="" systemctl="" status="" libvirtd.socket="" ●="" libvirtd.socket="" loaded:="" loaded="" (="" usr="" lib="" systemd="" system="" libvirtd.socket;="" static;="" vendor="" preset:="" disabled)="" active:="" inactive="" (dead)="" listen:="" var="" run="" libvirt="" libvirt-sock="" (stream)="" var="" run="" libvirt="" libvirt-sock-ro="" (stream)<="" p="">

<http://bugs.c...s.org) Apr 27 16:33:16 compute libvirtd[35138]: Module /usr/lib64/libvirt/connection-driver/libvirt_driver_lxc.so not accessible Apr 27 16:33:16 compute systemd[1]: Started Virtualization daemon. Hint: Some lines were ellipsized, use -l to show in full. [root@compute ~]# systemctl status libvirtd.socket ● libvirtd.socket Loaded: loaded (/usr/lib/systemd/system/libvirtd.socket; static; vendor preset: disabled) Active: inactive (dead) Listen: /var/run/libvirt/libvirt-sock (Stream) /var/run/libvirt/libvirt-sock-ro (Stream) cat /var/log/messages | grep error

Apr 27 15:47:42 compute systemd[1]: Socket service libvirtd.service already active, refusing. Apr 27 15:47:42 compute systemd[1]: Failed to listen on libvirtd.socket.

libvirtd.socket. pr 27 16:30:25 compute vmusr[3561]: [ warning] [vmusr] SimpleSock: Send error for socket 6: 32[Broken pipe] Apr 27 16:31:27 compute vmusr[3561]: [ warning] [vmusr] SimpleSock: Send error for socket 6: 32[Broken pipe] Apr 27 16:31:27 compute vmusr[3561]: [ warning] [vmusr] SimpleSock: Send error for socket 6: 32[Broken pipe] Apr 27 16:31:45 compute vmusr[3561]: [ warning] [vmusr] SimpleSock: Send error for socket 6: 32[Broken pipe] Apr 27 16:34:08 compute vmusr[3561]: [ warning] [vmusr] SimpleSock: Send error for socket 6: 32[Broken pipe] Apr 27 16:41:00 compute vmusr[3561]: [ warning] [vmusr] SimpleSock: Send error for socket 6: 32[Broken pipe] Apr 27 16:46:03 compute vmusr[3561]: [ warning] [vmusr] Simp

Simp