public static String getHost() {
        return getHost(null);
    }
@Test
    public void testGetHostWithException() throws Exception {
        networkInterfaceMockedStatic.when((MockedStatic.Verification) NetworkInterface.getNetworkInterfaces())
                .thenThrow(SocketException.class);
        assertEquals("127.0.0.1", IpUtils.getHost());
    }