fix bug on zkns export causing log noise
fix bug on zkns export causing log noise

davygeek/vitess,cloudbearings/vitess,HubSpot/vitess,tinyspeck/vitess,tinyspeck/vitess,skyportsystems/vitess,SDHM/vitess,anusornc/vitess,yangzhongj/vitess,tirsen/vitess,anusornc/vitess,sougou/vitess,nurblieh/vitess,fengshao0907/vitess,ptomasroos/vitess,davygeek/vitess,mlc0202/vitess,nurblieh/vitess,HubSpot/vitess,tjyang/vitess,skyportsystems/vitess,dcadevil/vitess,HubSpot/vitess,anusornc/vitess,ptomasroos/vitess,pivanof/vitess,kmiku7/vitess-annotated,vitessio/vitess,mahak/vitess,applift/vitess,sougou/vitess,tinyspeck/vitess,enisoc/vitess,aaijazi/vitess,nurblieh/vitess,skyportsystems/vitess,yangzhongj/vitess,erzel/vitess,skyportsystems/vitess,pivanof/vitess,fengshao0907/vitess,skyportsystems/vitess,tirsen/vitess,atyenoria/vitess,ngaut/vitess,skyportsystems/vitess,rnavarro/vitess,cgvarela/vitess,alainjobart/vitess,AndyDiamondstein/vitess,SDHM/vitess,mattharden/vitess,ngaut/vitess,tirsen/vitess,SDHM/vitess,yaoshengzhe/vitess,mapbased/vitess,anusornc/vitess,vitessio/vitess,sougou/vitess,cloudbearings/vitess,tjyang/vitess,applift/vitess,yaoshengzhe/vitess,guokeno0/vitess,aaijazi/vitess,michael-berlin/vitess,xgwubin/vitess,vitessio/vitess,mahak/vitess,apmichaud/vitess-apm,HeisenbergUncertain/vitess,SDHM/vitess,alainjobart/vitess,atyenoria/vitess,kmiku7/vitess-annotated,guokeno0/vitess,pivanof/vitess,davygeek/vitess,vitessio/vitess,guokeno0/vitess,alainjobart/vitess,kuipertan/vitess,fengshao0907/vitess,apmichaud/vitess-apm,dumbunny/vitess,sougou/vitess,cgvarela/vitess,aaijazi/vitess,cgvarela/vitess,aaijazi/vitess,mattharden/vitess,kmiku7/vitess-annotated,xgwubin/vitess,CERN-Stage-3/vitess,applift/vitess,dcadevil/vitess,erzel/vitess,michael-berlin/vitess,atyenoria/vitess,aaijazi/vitess,guokeno0/vitess,erzel/vitess,yaoshengzhe/vitess,cgvarela/vitess,cgvarela/vitess,yangzhongj/vitess,tjyang/vitess,nurblieh/vitess,CERN-Stage-3/vitess,tjyang/vitess,applift/vitess,SDHM/vitess,alainjobart/vitess,mlc0202/vitess,anusornc/vitess,enisoc/vitess,tjyang/vitess,atyenoria/vitess,michael-berlin/vitess,mattharden/vitess,pivanof/vitess,mahak/vitess,mattharden/vitess,applift/vitess,mapbased/vitess,AndyDiamondstein/vitess,vitessio/vitess,mattharden/vitess,dcadevil/vitess,michael-berlin/vitess,rnavarro/vitess,nurblieh/vitess,dumbunny/vitess,fengshao0907/vitess,rnavarro/vitess,kmiku7/vitess-annotated,tjyang/vitess,mattharden/vitess,cgvarela/vitess,alainjobart/vitess,ptomasroos/vitess,xgwubin/vitess,ptomasroos/vitess,mahak/vitess,nurblieh/vitess,yangzhongj/vitess,davygeek/vitess,kuipertan/vitess,guokeno0/vitess,kuipertan/vitess,AndyDiamondstein/vitess,xgwubin/vitess,mapbased/vitess,ptomasroos/vitess,xgwubin/vitess,xgwubin/vitess,yaoshengzhe/vitess,pivanof/vitess,enisoc/vitess,AndyDiamondstein/vitess,tirsen/vitess,netroby/vitess,kmiku7/vitess-annotated,netroby/vitess,cgvarela/vitess,ptomasroos/vitess,erzel/vitess,nurblieh/vitess,guokeno0/vitess,alainjobart/vitess,davygeek/vitess,pivanof/vitess,dumbunny/vitess,enisoc/vitess,rnavarro/vitess,fengshao0907/vitess,mattharden/vitess,guokeno0/vitess,erzel/vitess,tinyspeck/vitess,tjyang/vitess,netroby/vitess,dumbunny/vitess,kuipertan/vitess,enisoc/vitess,erzel/vitess,yangzhongj/vitess,xgwubin/vitess,kuipertan/vitess,CERN-Stage-3/vitess,cloudbearings/vitess,anusornc/vitess,mattharden/vitess,netroby/vitess,kuipertan/vitess,yaoshengzhe/vitess,erzel/vitess,ngaut/vitess,kmiku7/vitess-annotated,applift/vitess,yangzhongj/vitess,cloudbearings/vitess,rnavarro/vitess,kuipertan/vitess,dumbunny/vitess,xgwubin/vitess,rnavarro/vitess,mlc0202/vitess,AndyDiamondstein/vitess,SDHM/vitess,mlc0202/vitess,pivanof/vitess,vitessio/vitess,fengshao0907/vitess,alainjobart/vitess,tirsen/vitess,applift/vitess,tjyang/vitess,CERN-Stage-3/vitess,vitessio/vitess,aaijazi/vitess,tirsen/vitess,mapbased/vitess,netroby/vitess,HubSpot/vitess,skyportsystems/vitess,apmichaud/vitess-apm,mapbased/vitess,nurblieh/vitess,dcadevil/vitess,ptomasroos/vitess,mlc0202/vitess,HubSpot/vitess,mattharden/vitess,mahak/vitess,davygeek/vitess,dcadevil/vitess,apmichaud/vitess-apm,sougou/vitess,mapbased/vitess,netroby/vitess,atyenoria/vitess,mapbased/vitess,mlc0202/vitess,erzel/vitess,sougou/vitess,mahak/vitess,dumbunny/vitess,tinyspeck/vitess,CERN-Stage-3/vitess,dumbunny/vitess,enisoc/vitess,yaoshengzhe/vitess,mapbased/vitess,dumbunny/vitess,apmichaud/vitess-apm,SDHM/vitess,yaoshengzhe/vitess,rnavarro/vitess,vitessio/vitess,kuipertan/vitess,dumbunny/vitess,guokeno0/vitess,michael-berlin/vitess,AndyDiamondstein/vitess,mlc0202/vitess,HeisenbergUncertain/vitess,cloudbearings/vitess,mahak/vitess,kmiku7/vitess-annotated,anusornc/vitess,dcadevil/vitess,pivanof/vitess,AndyDiamondstein/vitess,cloudbearings/vitess,pivanof/vitess,mattharden/vitess,AndyDiamondstein/vitess,netroby/vitess,tirsen/vitess,ngaut/vitess,cgvarela/vitess,tinyspeck/vitess,davygeek/vitess,dumbunny/vitess,mlc0202/vitess,fengshao0907/vitess,dcadevil/vitess,atyenoria/vitess,tirsen/vitess,applift/vitess,fengshao0907/vitess,cgvarela/vitess,anusornc/vitess,applift/vitess,tjyang/vitess,aaijazi/vitess,HubSpot/vitess,erzel/vitess,kmiku7/vitess-annotated,netroby/vitess,ptomasroos/vitess,kmiku7/vitess-annotated,rnavarro/vitess,skyportsystems/vitess,rnavarro/vitess,yaoshengzhe/vitess,tinyspeck/vitess,anusornc/vitess,mapbased/vitess,HubSpot/vitess,sougou/vitess,yaoshengzhe/vitess,AndyDiamondstein/vitess,mapbased/vitess,michael-berlin/vitess,michael-berlin/vitess,aaijazi/vitess,SDHM/vitess,netroby/vitess,xgwubin/vitess,mlc0202/vitess,applift/vitess,yangzhongj/vitess,michael-berlin/vitess,yangzhongj/vitess,mahak/vitess,cloudbearings/vitess,HubSpot/vitess,kuipertan/vitess,guokeno0/vitess,cloudbearings/vitess,enisoc/vitess,atyenoria/vitess,skyportsystems/vitess,atyenoria/vitess,tirsen/vitess,SDHM/vitess,alainjobart/vitess,ptomasroos/vitess,aaijazi/vitess,fengshao0907/vitess,sougou/vitess,HeisenbergUncertain/vitess,HeisenbergUncertain/vitess,atyenoria/vitess,ngaut/vitess,yangzhongj/vitess,michael-berlin/vitess,cloudbearings/vitess,erzel/vitess,nurblieh/vitess