Fix missing -e flag
Fix missing -e flag


Former-commit-id: ac8b1aa98cb400be84884c0f69eaf96a4a253b1d
insequent/libcalico,L-MA/libcalico,projectcalico/libcalico,djosborne/libcalico,tomdee/libcalico,TrimBiggs/libcalico,caseydavenport/libcalico,projectcalico/libnetwork-plugin,TrimBiggs/libnetwork-plugin,alexhersh/libcalico,TrimBiggs/libnetwork-plugin,plwhite/libcalico,Symmetric/libcalico,robbrockbank/libcalico,tomdee/libnetwork-plugin