CA-85255: on inter-pool migrate prechecks, simulate a live migrate
CA-85255: on inter-pool migrate prechecks, simulate a live migrate

Signed-off-by: Thomas Gazagnaire <d17b540e4bd20a6d2c62b93674760725b3f75517@ocamlpro.com>

simonjbeaumont/xcp-rrdd,djs55/xcp-rrdd,sharady/xcp-networkd,djs55/squeezed,robhoes/squeezed,simonjbeaumont/xcp-rrdd,sharady/xcp-networkd,djs55/xcp-networkd,koushikcgit/xcp-rrdd,koushikcgit/xcp-networkd,djs55/xcp-rrdd,djs55/xcp-networkd,johnelse/xcp-rrdd,koushikcgit/xcp-rrdd,johnelse/xcp-rrdd,koushikcgit/xcp-networkd,koushikcgit/xcp-rrdd