upup: fix dryrun when adding a subnet
upup: fix dryrun when adding a subnet

When adding a subnet in --dryrun, the ID might not be set during a Find

tsupertramp/kops,leandrocr/kops,mad01/kops,kubernetes/kops,leandrocr/kops,DualSpark/kops,BradErz/kops,faraazkhan/kops,aledbf/kops,zytek/kops,mad01/kops,DualSpark/kops,gambol99/kops,tsupertramp/kops,tsupertramp/kops,BradErz/kops,robinpercy/kops,austinmoore-/kops,chrislovecnm/kops,pdh/kops,kris-nova/kops,sethpollack/kops,kris-nova/kops,pdh/kops,MadDogTechnology/kops,gambol99/kops,faraazkhan/kops,robinpercy/kops,sp-borja-juncosa/kops,WillemMali/kops,MadDogTechnology/kops,ikropotov/kops,luomiao/kops,gambol99/kops,blakebarnett/kops,sp-borja-juncosa/kops,chrislovecnm/kops,faraazkhan/kops,jnewland/kops,pdh/kops,MadDogTechnology/kops,kubernetes/kops,austinmoore-/kops,austinmoore-/kops,faraazkhan/kops,aledbf/kops,chrislovecnm/kops,WillemMali/kops,zytek/kops,luomiao/kops,zytek/kops,ikropotov/kops,blakebarnett/kops,MadDogTechnology/kops,justinsb/kops,aledbf/kops,sethpollack/kops,blakebarnett/kops,leandrocr/kops,justinsb/kops,dacohen/kops,WillemMali/kops,gambol99/kops,dacohen/kops,austinmoore-/kops,BradErz/kops,reactiveops/kops,andrewsykim/kops,sethpollack/kops,robinpercy/kops,chrislovecnm/kops,kubernetes/kops,tsupertramp/kops,BradErz/kops,kris-nova/kops,kris-nova/kops,ikropotov/kops,luomiao/kops,DualSpark/kops,ikropotov/kops,dacohen/kops,andrewsykim/kops,robinpercy/kops,leandrocr/kops,sethpollack/kops,andrewsykim/kops,dacohen/kops,justinsb/kops,jnewland/kops,blakebarnett/kops,WillemMali/kops,reactiveops/kops,sp-borja-juncosa/kops,DualSpark/kops,luomiao/kops,reactiveops/kops,andrewsykim/kops,pdh/kops,sp-borja-juncosa/kops,jnewland/kops,zytek/kops,aledbf/kops,reactiveops/kops,mad01/kops,mad01/kops