def unbind_floating_ip(floating_ip, device):
    _execute('ip', 'addr', 'del', str(floating_ip) + '/32',
             'dev', device,
             run_as_root=True, check_exit_code=[0, 2, 254])
Unbind a public IP from public interface.
dataset/ETHPy150Open openstack/nova/nova/network/linux_net.py/unbind_floating_ip