Build calicoctl using ubuntu instead of debian
Build calicoctl using ubuntu instead of debian


Former-commit-id: d8c9561904db944b38a321427207d60f39389caf
Symmetric/libcalico,TrimBiggs/libnetwork-plugin,djosborne/libcalico,insequent/libcalico,projectcalico/libnetwork-plugin,tomdee/libcalico,projectcalico/libcalico,alexhersh/libcalico,caseydavenport/libcalico,L-MA/libcalico,tomdee/libnetwork-plugin,TrimBiggs/libnetwork-plugin,plwhite/libcalico,TrimBiggs/libcalico,robbrockbank/libcalico