Roadwarrior <b>carol</b> proposes to gateway <b>moon</b> the ESP cipher suite
<b>AES_GCM_16_256</b> by defining <b>esp=aes256gcm16-curve25519</b> or alternatively
<b>esp=aes256gcm128-curve25519</b> in ipsec.conf.
A ping from <b>carol</b> to <b>alice</b> successfully checks the established tunnel.
