IPアドレスを設定しておく
config.vm.network "private_network", ip: "192.168.33.10"
Host 192.168.33.10
User vagrant
IdentityFile ~/.vagrant.d/insecure_private_key
192.168.33.10
Host vagrant
HostName 192.168.33.10
User vagrant
IdentityFile ~/.vagrant.d/insecure_private_key
vagrant
たぶんこれが一番単純で環境を汚さずに済む
192.168.33.10 ansible_ssh_user=vagrant ansible_ssh_private_key_file=~/.vagrant.d/insecure_private_key