CA-31170: add a bit of debug logging to SR.scan to help diagnose blocking problems
CA-31170: add a bit of debug logging to SR.scan to help diagnose blocking problems

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