bond.pp

augeas {
  'eth_bond_bond0':
    context => '/files/etc/network/interfaces',
    changes => [
      'defnode bond iface[.="bond0"] ""',
      "set \$bond/post-up[1] 'ip route add 10/8 via ${gw} mtu 8900'",
      "set \$bond/post-up[2] 'ip route add default via ${gw} mtu 1500'",
      'set \$bond/mtu 8900',
      'rm \$bond/gateway',
    ]
    notify  => Exec['restart-bond0'],
}