provision/docker: make sure node adding task call success when done
provision/docker: make sure node adding task call success when done

tsuru/tsuru,ArxdSilva/tsuru,gciotta/tsuru,hcxiong/tsuru,ggarnier/tsuru,ArxdSilva/tsuru,ArxdSilva/tsuru,cgvarela/tsuru,jblancett/tsuru,ggarnier/tsuru,4eek/tsuru,mderaldo/tsuru,mderaldo/tsuru,guilhermebr/tsuru,cezarsa/tsuru,Endika/tsuru,jblancett/tsuru,Endika/tsuru,gciotta/tsuru,guilhermebr/tsuru,cezarsa/tsuru,tuxmonteiro/tsuru,4eek/tsuru,tuxmonteiro/tsuru,hcxiong/tsuru,cgvarela/tsuru,4eek/tsuru,kgrvamsi/tsuru,RichardKnop/tsuru,RichardKnop/tsuru,jblancett/tsuru,tsuru/tsuru,RichardKnop/tsuru,firebitsbr/tsuru,guilhermebr/tsuru,gwmoura/tsuru,ggarnier/tsuru,firebitsbr/tsuru,hcxiong/tsuru,cgvarela/tsuru,gwmoura/tsuru,kgrvamsi/tsuru,tuxmonteiro/tsuru,firebitsbr/tsuru,gciotta/tsuru,mderaldo/tsuru,tsuru/tsuru,ggarnier/tsuru,ArxdSilva/tsuru,gwmoura/tsuru,kgrvamsi/tsuru,guilhermebr/tsuru,cezarsa/tsuru,cezarsa/tsuru,Endika/tsuru,tsuru/tsuru