fix createTestNetwork bug
fix createTestNetwork bug

Signed-off-by: Bao Yonglei <2c103dfaf0e294a00ecb92b245b0ba8fb991407c@huawei.com>

Ramzec/docker,jameszhan/docker,flavio/docker,moul/docker,gnailuy/docker,vdemeester/docker,paralin/docker,trebonian/docker,nawawi/docker,djs55/docker,jameszhan/docker,moby/moby,jimjag/docker,moby/moby,AkihiroSuda/docker,Mokolea/docker,gnailuy/docker,AkihiroSuda/docker,mahak/docker,jimjag/docker,cpuguy83/docker,nalind/docker,yosifkit/docker,moby/moby,bearstech/moby,paralin/docker,bearstech/moby,yosifkit/docker,mahak/docker,nawawi/docker,yosifkit/docker,konstruktoid/docker-upstream,thaJeztah/docker,flavio/docker,flavio/docker,gnailuy/docker,cpuguy83/docker,trebonian/docker,konstruktoid/docker-upstream,gnailuy/docker,konstruktoid/docker-upstream,paralin/docker,moul/docker,yosifkit/docker,nalind/docker,Mokolea/docker,Ramzec/docker,nawawi/docker,Ramzec/docker,mahak/docker,jameszhan/docker,trebonian/docker,Mokolea/docker,docker/docker,bearstech/moby,thaJeztah/docker,vdemeester/docker,jimjag/docker,jthelin/docker,docker/docker,djs55/docker,jthelin/docker,AkihiroSuda/docker,mahak/docker,bearstech/moby,docker/docker,paralin/docker,cpuguy83/docker,trebonian/docker,flavio/docker,Ramzec/docker,nalind/docker,moul/docker,jimjag/docker,vdemeester/docker,thaJeztah/docker,Mokolea/docker,thaJeztah/docker,nalind/docker,cpuguy83/docker,djs55/docker,AkihiroSuda/docker,moby/moby,konstruktoid/docker-upstream,nawawi/docker,moul/docker