$ grep -i "Send command" /var/log/libvirt/libvirtd.log 2015-09-29 18:47:43.041+0000: 8285: debug : qemuMonitorJSONCommandWithFd:290 : Send command '{"execute":"query-block","id":"libvirt-10"}' for write with FD -1 2015-09-29 18:47:44.006+0000: 8285: debug : qemuMonitorJSONCommandWithFd:290 : Send command '{"execute":"drive-mirror","arguments":{"device":"drive-virtio-disk0","target":"nbd:devstack2:49153:exportname=drive-virtio-disk0","speed":8796093022207,"sync":"top","mode":"existing"},"id":"libvirt-11"}' for write with FD -1 2015-09-29 18:47:45.022+0000: 8285: debug : qemuMonitorJSONCommandWithFd:290 : Send command '{"execute":"query-migrate-capabilities","id":"libvirt-12"}' for write with FD -1 2015-09-29 18:47:45.023+0000: 8285: debug : qemuMonitorJSONCommandWithFd:290 : Send command '{"execute":"migrate-set-capabilities","arguments":{"capabilities":[{"capability":"xbzrle","state":false}]},"id":"libvirt-13"}' for write with FD -1 2015-09-29 18:47:45.025+0000: 8285: debug : qemuMonitorJSONCommandWithFd:290 : Send command '{"execute":"query-migrate-capabilities","id":"libvirt-14"}' for write with FD -1 2015-09-29 18:47:45.026+0000: 8285: debug : qemuMonitorJSONCommandWithFd:290 : Send command '{"execute":"migrate-set-capabilities","arguments":{"capabilities":[{"capability":"auto-converge","state":false}]},"id":"libvirt-15"}' for write with FD -1 2015-09-29 18:47:45.028+0000: 8285: debug : qemuMonitorJSONCommandWithFd:290 : Send command '{"execute":"query-migrate-capabilities","id":"libvirt-16"}' for write with FD -1 2015-09-29 18:47:45.030+0000: 8285: debug : qemuMonitorJSONCommandWithFd:290 : Send command '{"execute":"migrate-set-capabilities","arguments":{"capabilities":[{"capability":"rdma-pin-all","state":false}]},"id":"libvirt-17"}' for write with FD -1 2015-09-29 18:47:45.033+0000: 8285: debug : qemuMonitorJSONCommandWithFd:290 : Send command '{"execute":"migrate_set_speed","arguments":{"value":9223372036853727232},"id":"libvirt-18"}' for write with FD -1 2015-09-29 18:47:45.041+0000: 8285: debug : qemuMonitorJSONCommandWithFd:290 : Send command '{"execute":"getfd","arguments":{"fdname":"migrate"},"id":"libvirt-19"}' for write with FD 32 2015-09-29 18:47:45.043+0000: 8285: debug : qemuMonitorJSONCommandWithFd:290 : Send command '{"execute":"migrate","arguments":{"detach":true,"blk":false,"inc":false,"uri":"fd:migrate"},"id":"libvirt-20"}' for write with FD -1 2015-09-29 18:47:45.047+0000: 8285: debug : qemuMonitorJSONCommandWithFd:290 : Send command '{"execute":"query-migrate","id":"libvirt-21"}' for write with FD -1 2015-09-29 18:47:45.101+0000: 8285: debug : qemuMonitorJSONCommandWithFd:290 : Send command '{"execute":"query-migrate","id":"libvirt-22"}' for write with FD -1 2015-09-29 18:47:45.158+0000: 8285: debug : qemuMonitorJSONCommandWithFd:290 : Send command '{"execute":"query-migrate","id":"libvirt-23"}' for write with FD -1 2015-09-29 18:47:45.209+0000: 8285: debug : qemuMonitorJSONCommandWithFd:290 : Send command '{"execute":"query-migrate","id":"libvirt-24"}' for write with FD -1 2015-09-29 18:47:45.261+0000: 8285: debug : qemuMonitorJSONCommandWithFd:290 : Send command '{"execute":"query-migrate","id":"libvirt-25"}' for write with FD -1 2015-09-29 18:47:45.313+0000: 8285: debug : qemuMonitorJSONCommandWithFd:290 : Send command '{"execute":"query-migrate","id":"libvirt-26"}' for write with FD -1 2015-09-29 18:47:45.365+0000: 8285: debug : qemuMonitorJSONCommandWithFd:290 : Send command '{"execute":"query-migrate","id":"libvirt-27"}' for write with FD -1 2015-09-29 18:47:45.421+0000: 8285: debug : qemuMonitorJSONCommandWithFd:290 : Send command '{"execute":"query-migrate","id":"libvirt-28"}' for write with FD -1 2015-09-29 18:47:45.422+0000: 8285: debug : qemuMonitorJSONCommandWithFd:290 : Send command '{"execute":"block-job-cancel","arguments":{"device":"drive-virtio-disk0"},"id":"libvirt-29"}' for write with FD -1 2015-09-29 18:47:45.423+0000: 8285: debug : qemuMonitorJSONCommandWithFd:290 : Send command '{"execute":"query-block","id":"libvirt-30"}' for write with FD -1