Start NBD server
{"execute": "blockdev-add", "arguments": {"driver": "raw", "file": {"driver": "nbd", "reconnect-delay": 10, "server": {"path": "TEST_DIR/PID-nbd-sock", "type": "unix"}}, "node-name": "backup0"}}
{"return": {}}
{"execute": "blockdev-backup", "arguments": {"device": "drive0", "speed": 1048576, "sync": "full", "target": "backup0"}}
{"return": {}}
Backup job is started
Kill NBD server
Backup job is still in progress
{"execute": "block-job-set-speed", "arguments": {"device": "drive0", "speed": 0}}
{"return": {}}
Start NBD server
Backup completed: 5242880
{"execute": "blockdev-del", "arguments": {"node-name": "backup0"}}
{"return": {}}
Kill NBD server