Instead of modprobe, just check if the modules is loaded
Instead of modprobe, just check if the modules is loaded


Former-commit-id: 64fe74535a252d3e9994e6dd6fd9d89aae8c1d65
robbrockbank/libcalico,tomdee/libcalico,TrimBiggs/libnetwork-plugin,tomdee/libnetwork-plugin,djosborne/libcalico,plwhite/libcalico,Symmetric/libcalico,projectcalico/libcalico,TrimBiggs/libcalico,caseydavenport/libcalico,L-MA/libcalico,projectcalico/libnetwork-plugin,TrimBiggs/libnetwork-plugin,alexhersh/libcalico,insequent/libcalico