UT for "Allow containers to reach the host."
UT for "Allow containers to reach the host."


Former-commit-id: f6c4792fd5f767f3f146dd9bf2b5567614a61de9
TrimBiggs/libnetwork-plugin,projectcalico/libcalico,caseydavenport/libcalico,tomdee/libcalico,TrimBiggs/libcalico,insequent/libcalico,plwhite/libcalico,projectcalico/libnetwork-plugin,djosborne/libcalico,tomdee/libnetwork-plugin,Symmetric/libcalico,alexhersh/libcalico,L-MA/libcalico,robbrockbank/libcalico,TrimBiggs/libnetwork-plugin