def is_bond(self, devname: DeviceName) -> bool: return net.is_bond(devname)
def test_is_bond(self): """is_bond is True when /sys/net/devname/bonding exists.""" self.assertFalse(net.is_bond('eth0')) ensure_file(os.path.join(self.sysdir, 'eth0', 'bonding')) self.assertTrue(net.is_bond('eth0'))