func (s *ipAddressesStateSuite) assertAllAddressesOnMachineMatchCount(c *gc.C, machine *state.Machine, expectedCount int) {
results, err := machine.AllAddresses()
c.Assert(err, jc.ErrorIsNil)
c.Assert(results, gc.HasLen, expectedCount, gc.Commentf("expected %d, got %d: %+v", expectedCount, len(results), results))
}