Sample run
```
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
:: Test
:: Test
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
:: [ 21:17:51 ] :: [ LOG ] :: ip fou tests
:: [ 21:17:51 ] :: [ LOG ] :: ip fou tests
:: [ 21:17:51 ] :: [ BEGIN ] :: Running '/usr/bin/python3 /usr/bin/ip-fou-tests.py'
test_configure_fou_receive_port_gre (__main__.IPFOUTests)
Configure a FOU receive port for GRE bound to 7777 ... port 7777 ipproto 47
ok
test_configure_fou_receive_port_gue (__main__.IPFOUTests)
Configure a GUE receive port bound to 9999 ... port 9999 gue
ok
test_configure_fou_receive_port_ipip (__main__.IPFOUTests)
Configure a FOU receive port for IPIP bound to 8888 ... port 8888 ipproto 4
ok
test_configure_fou_with_ipip (__main__.IPFOUTests)
IP over UDP tunnel ... port 9000 ipproto 4
ok
----------------------------------------------------------------------
Ran 4 tests in 0.048s
OK
```
