[xenops] Retry SMAPI calls on ECONNREFUSED, assuming the storage service (in xapi) is only being restarted.
[xenops] Retry SMAPI calls on ECONNREFUSED, assuming the storage service (in xapi) is only being restarted.

Signed-off-by: David Scott <63c9eb0ea83039690fefa11afe17873ba8278a56@eu.citrix.com>

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