CA-90424: Does not migrate VDI if it is already migrating.
CA-90424: Does not migrate VDI if it is already migrating.

Signed-off-by: Jerome Maloberti <d70e3ea0aec84cf6d90aaa1e2d6c5900ceb5023c@citrix.com>

euanh/xen-api,guard163/xen-api,jjd27/xen-api,ravippandey/xen-api,huizh/xen-api,agimofcarmen/xen-api,djs55/xen-api,rafalmiel/xen-api,cheng--zhang/xen-api,guard163/xen-api,guard163/xen-api,koushikcgit/xen-api,simonjbeaumont/xen-api,srowe/xen-api,Frezzle/xen-api,simonjbeaumont/xen-api,Frezzle/xen-api,ravippandey/xen-api,robertbreker/xen-api,vasilenkomike/xen-api,Frezzle/xen-api,rafalmiel/xen-api,thomassa/xen-api,huizh/xen-api,rafalmiel/xen-api,thomassa/xen-api,cheng-z/xen-api,robertbreker/xen-api,jjd27/xen-api,cheng--zhang/xen-api,srowe/xen-api,jjd27/xen-api,huizh/xen-api,cheng-z/xen-api,vasilenkomike/xen-api,salvocambria/xen-api,agimofcarmen/xen-api,rafalmiel/xen-api,huizh/xen-api,simonjbeaumont/xen-api,cheng--zhang/xen-api,salvocambria/xen-api,cheng-z/xen-api,agimofcarmen/xen-api,robertbreker/xen-api,Frezzle/xen-api,djs55/xen-api,cheng--zhang/xen-api,agimofcarmen/xen-api,euanh/xen-api,thomassa/xen-api,salvocambria/xen-api,anoobs/xen-api,koushikcgit/xen-api,robertbreker/xen-api,rafalmiel/xen-api,anoobs/xen-api,anoobs/xen-api,cheng--zhang/xen-api,simonjbeaumont/xen-api,koushikcgit/xen-api,anoobs/xen-api,koushikcgit/xen-api,thomassa/xen-api,cheng--zhang/xen-api,cheng-z/xen-api,guard163/xen-api,srowe/xen-api,koushikcgit/xen-api,ravippandey/xen-api,ravippandey/xen-api,Frezzle/xen-api,huizh/xen-api,cheng-z/xen-api,cheng-z/xen-api,thomassa/xen-api,robertbreker/xen-api,simonjbeaumont/xen-api,srowe/xen-api,ravippandey/xen-api,jjd27/xen-api,cheng-z/xen-api,ravippandey/xen-api,simonjbeaumont/xen-api,anoobs/xen-api,rafalmiel/xen-api,koushikcgit/xen-api,robertbreker/xen-api,srowe/xen-api,vasilenkomike/xen-api,guard163/xen-api,salvocambria/xen-api,cheng--zhang/xen-api,vasilenkomike/xen-api,jjd27/xen-api,salvocambria/xen-api,vasilenkomike/xen-api,djs55/xen-api,guard163/xen-api,euanh/xen-api,euanh/xen-api,agimofcarmen/xen-api,djs55/xen-api,thomassa/xen-api,djs55/xen-api,jjd27/xen-api,agimofcarmen/xen-api,salvocambria/xen-api,euanh/xen-api,vasilenkomike/xen-api,euanh/xen-api,huizh/xen-api,djs55/xen-api,anoobs/xen-api