[dnsdist] Latency Stats Not Updating?

[Stephane Bortzmeyer]

On Fri, Dec 20, 2019 at 10:04:41AM -0500,
 Brian Sullivan <brian.sullivan at lookout.com> wrote 
 a message of 83 lines which said:

> I am using version 1.4.0 of dnsdist.

Me too, and I didn't enable anything special.

  "latency-avg100": 108417.14787735096,
    "latency-avg1000": 120915.88422331357,
      "latency-avg10000": 117965.05070504802,
        "latency-avg1000000": 19347.684001277696,
	  "latency-count": 367387,
	    "latency-slow": 2783,
	      "latency-sum": 21935585,
	        "latency0-1": 173171,
		  "latency1-10": 20897,
		    "latency10-50": 59862,
		      "latency100-1000": 50622,
		        "latency50-100": 24614,