Fix zookeeper watch that was triggered only once
Fix zookeeper watch that was triggered only once

Signed-off-by: Alexandre Beslic <a2bebfa25877ed8f3a644256dc060dfe32006f27@docker.com>

MHBauer/swarm,dims/swarm,abronan/swarm,Spritekin/swarm,shin-/docker.github.io,krystism/swarm,menglingwei/denverdino.github.io,atlassian/swarm,shot/swarm,moxiegirl/swarm,polyverse-security/swarm,londoncalling/docker.github.io,kyhavlov/swarm,therealbill/swarm,aduermael/docker.github.io,gdevillele/docker.github.io,krystism/swarm,denverdino/docker.github.io,u2mejc/swarm,londoncalling/docker.github.io,denverdino/docker.github.io,anweiss/docker.github.io,shin-/docker.github.io,LukasBacigal/swarm,JimGalasyn/docker.github.io,troy0820/docker.github.io,zkcrescent/swarm,joeuo/docker.github.io,yp-engineering/swarm,bdwill/docker.github.io,allencloud/swarm,jeffjen/swarm,gdevillele/docker.github.io,gdevillele/docker.github.io,CodeNow/swarm,srikalyan/swarm,christophelec/swarm,pdevine/swarm,menglingwei/denverdino.github.io,joaofnfernandes/docker.github.io,denverdino/swarm,BSWANG/denverdino.github.io,jay-lau/swarm,shubheksha/docker.github.io,iaintshine/swarm,docker-zh/docker.github.io,jzwlqx/denverdino.github.io,morpheyesh/swarm,ehazlett/swarm,CiaranCostello/swarm,rav121/swarm,gonkulator/swarm,anweiss/docker.github.io,sanscontext/docker.github.io,shubheksha/docker.github.io,auzias/swarm,yp-engineering/swarm,danix800/docker.github.io,docker-zh/docker.github.io,jimmycmh/swarm,riuvshin/swarm,affo/swarm,resouer/swarm,FollowMyDev/swarm,francisbouvier/swarm,thaJeztah/docker.github.io,JimGalasyn/docker.github.io,dnephin/swarm,liubin/swarm,rillig/docker.github.io,FreedomWangLi/swarm,rav121/swarm,Aorjoa/swarm,ezrasilvera/SwarmACLs,NunoEdgarGub1/swarm,BSWANG/denverdino.github.io,rajdeepd/swarm,dims/swarm,londoncalling/docker.github.io,schmunk42/swarm,FollowMyDev/swarm,menglingwei/denverdino.github.io,LuisBosquez/docker.github.io,londoncalling/docker.github.io,pdevine/swarm,phiroict/docker,joaofnfernandes/docker.github.io,errordeveloper/swarm,thaJeztah/docker.github.io,danix800/docker.github.io,bpradipt/swarm,francisbouvier/swarm,denverdino/docker.github.io,swarm-hooks/swarm,rutulpatel/swarm,atlassian/swarm,docker/docker.github.io,jdamick/swarm,gonkulator/swarm,denverdino/denverdino.github.io,beni55/swarm-1,kunalkushwaha/swarm,ezrasilvera/SwarmACLs,polyverse-security/swarm,sfsmithcha/swarm,shahankhatch/swarm,sanscontext/docker.github.io,johnstep/docker.github.io,jzwlqx/denverdino.github.io,johnstep/docker.github.io,moxiegirl/swarm,cgvarela/swarm,LukasBacigal/swarm,ealang/swarm,everett-toews/swarm,ezrasilvera/swarm,pssahi/swarm,abronan/swarm,rajdeepd/swarm,tangkun75/swarm,dnephin/swarm,shubheksha/docker.github.io,cpuguy83/swarm,barais/swarm,joaofnfernandes/docker.github.io,rillig/docker.github.io,gradywang/swarm,menglingwei/denverdino.github.io,thaJeztah/docker.github.io,bdwill/docker.github.io,sanscontext/docker.github.io,BSWANG/denverdino.github.io,LuisBosquez/docker.github.io,unodba/swarm,kunalkushwaha/swarm,parapsyche/swarm,londoncalling/docker.github.io,ch3lo/swarm,raoofm/swarm,docker-zh/docker.github.io,u2mejc/swarm,rchicoli/swarm,linecheng/swarm,denverdino/denverdino.github.io,kyhavlov/swarm,docker/docker.github.io,jzwlqx/denverdino.github.io,ealang/swarm,docker-zh/docker.github.io,NunoEdgarGub1/swarm,xFragger/swarm,akerbis/armhf-swarm,rillig/docker.github.io,mgoelzer/swarm,alexisbellido/docker.github.io,adouang/swarm,denverdino/denverdino.github.io,jay-lau/swarm,barais/swarm,alexisbellido/docker.github.io,rchicoli/swarm,gdevillele/docker.github.io,JimGalasyn/docker.github.io,joeuo/docker.github.io,troy0820/docker.github.io,phiroict/docker,morpheyesh/swarm,menglingwei/denverdino.github.io,anweiss/docker.github.io,fugr/swarm,riuvshin/swarm,raoofm/swarm,jzwlqx/denverdino.github.io,denverdino/docker.github.io,docker/docker.github.io,ch3lo/swarm,srikalyan/swarm,CodeNow/swarm,mgoelzer/swarm,alexisbellido/docker.github.io,ejholmes/swarm,bdwill/docker.github.io,shin-/docker.github.io,errordeveloper/swarm,joeuo/docker.github.io,FreedomWangLi/swarm,mrjana/swarm,joaofnfernandes/docker.github.io,denverdino/denverdino.github.io,Aorjoa/swarm,alexisbellido/docker.github.io,bpradipt/swarm,shahankhatch/swarm,gradywang/swarm,iaintshine/swarm,megamsys/swarm,rillig/docker.github.io,liubin/swarm,thaJeztah/docker.github.io,allencloud/swarm,echupriyanov/swarm,linecheng/swarm,docker/docker.github.io,docker-zh/docker.github.io,phiroict/docker,BSWANG/swarm,aduermael/docker.github.io,jdamick/swarm,gdevillele/docker.github.io,johnstep/docker.github.io,jimmycmh/swarm,doronp/swarm,parapsyche/swarm,sanscontext/docker.github.io,ezrasilvera/swarm,adouang/swarm,shin-/docker.github.io,ricca742/swarm,anweiss/docker.github.io,pssahi/swarm,xFragger/swarm,johnstep/docker.github.io,rancher/swarm,denverdino/docker.github.io,beni55/swarm-1,alexisbellido/docker.github.io,akerbis/armhf-swarm,rancher/swarm,echupriyanov/swarm,ehazlett/swarm,schmunk42/swarm,shubheksha/docker.github.io,EderRoger/swarm,denverdino/swarm-1,qianzhangxa/swarm,ricca742/swarm,auzias/swarm,bdwill/docker.github.io,bdwill/docker.github.io,BSWANG/denverdino.github.io,sfsmithcha/swarm,resouer/swarm,bsmr-docker/swarm,joeuo/docker.github.io,Spritekin/swarm,aduermael/docker.github.io,johnstep/docker.github.io,anweiss/docker.github.io,LuisBosquez/docker.github.io,swarm-hooks/swarm,vlajos/swarm,denverdino/swarm-1,LuisBosquez/docker.github.io,ejholmes/swarm,troy0820/docker.github.io,qianzhangxa/swarm,bsmr-docker/swarm,cpuguy83/swarm,phiroict/docker,danix800/docker.github.io,docker/docker.github.io,mrjana/swarm,BSWANG/swarm,EderRoger/swarm,denverdino/denverdino.github.io,CiaranCostello/swarm,everett-toews/swarm,LuisBosquez/docker.github.io,shin-/docker.github.io,jeffjen/swarm,vlajos/swarm,doronp/swarm,danix800/docker.github.io,tangkun75/swarm,joeuo/docker.github.io,rutulpatel/swarm,shot/swarm,megamsys/swarm,JimGalasyn/docker.github.io,zkcrescent/swarm,christophelec/swarm,sanscontext/docker.github.io,denverdino/swarm,shubheksha/docker.github.io,tranceitionalMynd/swarm,unodba/swarm,BSWANG/denverdino.github.io,phiroict/docker,thaJeztah/docker.github.io,jzwlqx/denverdino.github.io,JimGalasyn/docker.github.io,fugr/swarm,therealbill/swarm,aduermael/docker.github.io,affo/swarm,joaofnfernandes/docker.github.io,troy0820/docker.github.io,cgvarela/swarm,tranceitionalMynd/swarm,MHBauer/swarm