fix shield integ startup to be cleaner
fix shield integ startup to be cleaner

Original commit: elastic/x-pack-elasticsearch@65bbc5b64ac9fba742df37f6ddc7a66e6b1b6d8a

uschindler/elasticsearch,strapdata/elassandra,nknize/elasticsearch,gingerwizard/elasticsearch,vroyer/elassandra,scorpionvicky/elasticsearch,gingerwizard/elasticsearch,strapdata/elassandra,scorpionvicky/elasticsearch,gingerwizard/elasticsearch,gfyoung/elasticsearch,robin13/elasticsearch,vroyer/elassandra,uschindler/elasticsearch,HonzaKral/elasticsearch,nknize/elasticsearch,gingerwizard/elasticsearch,nknize/elasticsearch,GlenRSmith/elasticsearch,GlenRSmith/elasticsearch,GlenRSmith/elasticsearch,uschindler/elasticsearch,GlenRSmith/elasticsearch,HonzaKral/elasticsearch,robin13/elasticsearch,coding0011/elasticsearch,coding0011/elasticsearch,coding0011/elasticsearch,scorpionvicky/elasticsearch,scorpionvicky/elasticsearch,gfyoung/elasticsearch,strapdata/elassandra,robin13/elasticsearch,gfyoung/elasticsearch,nknize/elasticsearch,nknize/elasticsearch,GlenRSmith/elasticsearch,gingerwizard/elasticsearch,gingerwizard/elasticsearch,HonzaKral/elasticsearch,gfyoung/elasticsearch,robin13/elasticsearch,uschindler/elasticsearch,strapdata/elassandra,coding0011/elasticsearch,vroyer/elassandra,scorpionvicky/elasticsearch,gingerwizard/elasticsearch,uschindler/elasticsearch,strapdata/elassandra,coding0011/elasticsearch,HonzaKral/elasticsearch,robin13/elasticsearch,gfyoung/elasticsearch