[libvirt] libvirt 1.2.16 sheepdog storage pool errors

Hello. I'm testing sheepdog storage pool under libvirt 1.2.16 and when i'm try to create 20 vm in the same time i lost libvirt (daemon shutdown without error in logs) 2015-07-17 16:13:42.959+0000: 27679: error : virExec:491 : Cannot find 'pm-is-supported' in path: No such file or directory 2015-07-17 16:13:42.959+0000: 27679: warning : virQEMUCapsInit:1011 : Failed to get host power management capabilities 2015-07-17 16:13:43.126+0000: 27679: error : virExec:491 : Cannot find 'pm-is-supported' in path: No such file or directory 2015-07-17 16:13:43.126+0000: 27679: warning : virLXCDriverCapsInit:88 : Failed to get host power management capabilities 2015-07-17 16:13:43.128+0000: 27679: error : virExec:491 : Cannot find 'pm-is-supported' in path: No such file or directory 2015-07-17 16:13:43.128+0000: 27679: warning : umlCapsInit:74 : Failed to get host power management capabilities 2015-07-17 16:13:43.184+0000: 27638: error : virFileReadAll:1347 : Failed to open file '/sys/class/net/tap29615/operstate': No such file or directory 2015-07-17 16:13:43.184+0000: 27638: error : virNetDevGetLinkInfo:2515 : unable to read: /sys/class/net/tap29615/operstate: No such file or directory 2015-07-17 16:13:43.184+0000: 27638: error : virFileReadAll:1347 : Failed to open file '/sys/class/net/tap29623/operstate': No such file or directory 2015-07-17 16:13:43.184+0000: 27638: error : virNetDevGetLinkInfo:2515 : unable to read: /sys/class/net/tap29623/operstate: No such file or directory 2015-07-17 16:13:43.185+0000: 27638: error : virFileReadAll:1347 : Failed to open file '/sys/class/net/tap29625/operstate': No such file or directory 2015-07-17 16:13:43.185+0000: 27638: error : virNetDevGetLinkInfo:2515 : unable to read: /sys/class/net/tap29625/operstate: No such file or directory 2015-07-17 16:13:43.186+0000: 27638: error : virFileReadAll:1347 : Failed to open file '/sys/class/net/tap29643/operstate': No such file or directory 2015-07-17 16:13:43.186+0000: 27638: error : virNetDevGetLinkInfo:2515 : unable to read: /sys/class/net/tap29643/operstate: No such file or directory 2015-07-17 16:20:29.969+0000: 27648: error : storagePoolRefresh:1099 : internal error: pool 'sheepdog' has asynchronous jobs running. 2015-07-17 16:20:29.969+0000: 27655: error : storagePoolRefresh:1099 : internal error: pool 'sheepdog' has asynchronous jobs running. 2015-07-17 16:20:29.969+0000: 27640: error : storagePoolRefresh:1099 : internal error: pool 'sheepdog' has asynchronous jobs running. 2015-07-17 16:20:30.038+0000: 27646: error : storagePoolRefresh:1099 : internal error: pool 'sheepdog' has asynchronous jobs running. 2015-07-17 16:20:30.256+0000: 27654: error : storagePoolRefresh:1099 : internal error: pool 'sheepdog' has asynchronous jobs running. 2015-07-17 16:20:30.277+0000: 27645: error : storagePoolRefresh:1099 : internal error: pool 'sheepdog' has asynchronous jobs running. 2015-07-17 16:20:30.483+0000: 27652: warning : qemuDomainObjTaint:2007 : Domain id=107 name='29657' uuid=362dcae4-fce6-6d09-ab8f-000049ded078 is tainted: high-privileges 2015-07-17 16:20:30.489+0000: 27653: warning : qemuDomainObjTaint:2007 : Domain id=108 name='29653' uuid=0a491b3e-a7ba-f748-7b9d-000014e0fe1b is tainted: high-privileges 2015-07-17 16:20:30.494+0000: 27645: warning : qemuDomainObjTaint:2007 : Domain id=109 name='29655' uuid=175f1027-5c10-5c88-1290-00002efaacc7 is tainted: high-privileges 2015-07-17 16:20:30.693+0000: 27640: error : storagePoolRefresh:1099 : internal error: pool 'sheepdog' has asynchronous jobs running. 2015-07-17 16:20:30.694+0000: 27646: error : storagePoolRefresh:1099 : internal error: pool 'sheepdog' has asynchronous jobs running. 2015-07-17 16:20:30.700+0000: 27656: warning : qemuDomainObjTaint:2007 : Domain id=110 name='29649' uuid=485b5f87-d7f6-40e9-9b7c-00002bdd5bc1 is tainted: high-privileges 2015-07-17 16:20:30.707+0000: 27646: error : storagePoolRefresh:1099 : internal error: pool 'sheepdog' has asynchronous jobs running. 2015-07-17 16:20:30.708+0000: 27642: error : storagePoolRefresh:1099 : internal error: pool 'sheepdog' has asynchronous jobs running. 2015-07-17 16:20:30.719+0000: 27646: error : storagePoolRefresh:1099 : internal error: pool 'sheepdog' has asynchronous jobs running. 2015-07-17 16:20:30.725+0000: 27648: warning : qemuDomainObjTaint:2007 : Domain id=111 name='29675' uuid=23991473-6d74-2729-8a9a-00004768f828 is tainted: high-privileges 2015-07-17 16:20:30.754+0000: 27647: error : storagePoolRefresh:1099 : internal error: pool 'sheepdog' has asynchronous jobs running. 2015-07-17 16:20:30.767+0000: 27643: warning : qemuDomainObjTaint:2007 : Domain id=112 name='29647' uuid=23ecf17b-e395-2cc9-4206-000025fdb02a is tainted: high-privileges -- Vasiliy Tolstov, e-mail: v.tolstov(a)selfip.ru