conpaas-core: wait a bit for volumes to be detached if destroying initially fails
conpaas-core: wait a bit for volumes to be detached if destroying initially fails

ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas