---
epel_release_url: http://ftp.jaist.ac.jp/pub/Linux/Fedora/epel/7/x86_64/Packages/e/epel-release-7-11.noarch.rpm
relayhost:
  name: mail.so-net.ne.jp
  port: 587
so_net:
  username: "{{vault_so_net.username}}"
  password: "{{vault_so_net.password}}"
swap_device_name: xvdb

---
epel_release_url: http://ftp.jaist.ac.jp/pub/Linux/Fedora/epel/7/x86_64/Packages/e/epel-release-7-11.noarch.rpm
relayhost:
  name: mail.so-net.ne.jp
  port: 587
so_net:
  username: "{{vault_so_net.username}}"
  password: "{{vault_so_net.password}}"
swap_device_name: nvme1n1

Change a device name for swap
Change a device name for swap

Because m5 instance uses an NMVe device name
