provision/swarm: fix collection leak
provision/swarm: fix collection leak

cezarsa/tsuru,tsuru/tsuru,ArxdSilva/tsuru,cezarsa/tsuru,guilhermebr/tsuru,ArxdSilva/tsuru,ggarnier/tsuru,tsuru/tsuru,tsuru/tsuru,ArxdSilva/tsuru,guilhermebr/tsuru,tsuru/tsuru,cezarsa/tsuru,ggarnier/tsuru,guilhermebr/tsuru,cezarsa/tsuru,ggarnier/tsuru,guilhermebr/tsuru,ArxdSilva/tsuru,ggarnier/tsuru