libguestfs: trace: set_verbose true

libguestfs: trace: set_verbose = 0

libguestfs: create: flags = 0, handle = 0x7f4600005dd0, program = python2

libguestfs: trace: set_program "lago"

libguestfs: trace: set_program = 0

libguestfs: trace: add_drive_ro "/home/ykaul/ovirt-system-tests/deployment-basic-suite-master/default/images/lago-basic-suite-master-host-0_root.qcow2"

libguestfs: trace: add_drive "/home/ykaul/ovirt-system-tests/deployment-basic-suite-master/default/images/lago-basic-suite-master-host-0_root.qcow2" "readonly:true"

libguestfs: creating COW overlay to protect original drive content

libguestfs: trace: disk_format "/home/ykaul/ovirt-system-tests/deployment-basic-suite-master/default/images/lago-basic-suite-master-host-0_root.qcow2"

libguestfs: command: run: qemu-img

libguestfs: command: run: \ info

libguestfs: command: run: \ --output json

libguestfs: command: run: \ /dev/fd/7

qemu-img: Could not open '/dev/fd/7': Failed to get shared "write" lock

Is another process using the image?

libguestfs: trace: disk_format = NULL (error)

libguestfs: trace: add_drive = -1 (error)

libguestfs: trace: add_drive_ro = -1 (error)