def sibling(self, path):
        return self.parent().child(path)
Function to group VMs by any of those dependencies (f.e. tenants,
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/python/filepath.py/AbstractFilePath.sibling--crossover with--dataset/ETHPy150Open MirantisWorkloadMobility/CloudFerry/cloudferry/fabfile.py/get_groups