close etcd client before abandon it
close etcd client before abandon it

coreos/flannel,svdata/flannel,EverythingMe/flannel,wikimedia/operations-debs-flannel,wikimedia/operations-debs-flannel,EverythingMe/flannel,imzhulei/flannel,coreos/flannel,wikimedia/operations-debs-flannel,eyakubovich/flannel,bprashanth/flannel,cusspvz/flannel,bprashanth/flannel,lvlv/flannel,jonboulle/flannel,MohdAhmad/flannel,dcbw/flannel,svdata/flannel,sujitfulse/flannel,sujitfulse/flannel,MohdAhmad/flannel,sujitfulse/flannel,lvlv/flannel,endocode/flannel,cusspvz/flannel,jonboulle/flannel,bprashanth/flannel,ingvagabund/flannel,imzhulei/flannel,dcbw/flannel,adiclepcea/flannel,lvlv/flannel,EverythingMe/flannel,ingvagabund/flannel,adiclepcea/flannel,Yhgenomics/flannel,jonboulle/flannel,endocode/flannel,adiclepcea/flannel,lihuanghai/flannel,imzhulei/flannel,Yhgenomics/flannel,kelcecil/flannel,kelcecil/flannel,cusspvz/flannel,svdata/flannel,eyakubovich/flannel,ingvagabund/flannel,MohdAhmad/flannel,lihuanghai/flannel,endocode/flannel,kelcecil/flannel,Yhgenomics/flannel,dcbw/flannel,eyakubovich/flannel,coreos/flannel,lihuanghai/flannel