Don't start nodes if the master IP can't be found
Don't start nodes if the master IP can't be found


Former-commit-id: 71b39cb3c6bc59922e2d771507f54109f996356f
Symmetric/libcalico,insequent/libcalico,TrimBiggs/libcalico,djosborne/libcalico,plwhite/libcalico,TrimBiggs/libnetwork-plugin,alexhersh/libcalico,caseydavenport/libcalico,tomdee/libcalico,robbrockbank/libcalico,TrimBiggs/libnetwork-plugin,projectcalico/libnetwork-plugin,tomdee/libnetwork-plugin,projectcalico/libcalico,L-MA/libcalico