<fix>[vm]: report blockjob copy failure
<fix>[vm]: report blockjob copy failure

Resolves: ZSTAC-45617

Change-Id: I6e736d69776c6376646373687261676964707470

Signed-off-by: Qun Li <1ea81f54854048d0a4d4fd61caceabb2a843281c@zstack.io>

zstackio/zstack-utility,zstackio/zstack-utility,zstackio/zstack-utility