vagrant: Indent detection of IPv6 public address
vagrant: Indent detection of IPv6 public address

Indent this detection by checking whether "${found}" is zero. This
should have no effect, but will reduce the changes in the next patch.

Signed-off-by: Joe Stringer <16a9a54ddf4259952e3c118c763138e83693d7fd@covalent.io>

tgraf/cilium,michi-covalent/cilium,michi-covalent/cilium,scanf/cilium,cilium-team/cilium,cilium/cilium,scanf/cilium,scanf/cilium,scanf/cilium,cilium/cilium,tgraf/cilium,tklauser/cilium,cilium/cilium,scanf/cilium,scanf/cilium,cilium/cilium,tklauser/cilium,tklauser/cilium,tklauser/cilium,tgraf/cilium,scanf/cilium,michi-covalent/cilium,tklauser/cilium,michi-covalent/cilium,tgraf/cilium,tgraf/cilium,tgraf/cilium,cilium/cilium,cilium-team/cilium,michi-covalent/cilium