1esp from 3ffe::1 to 3ffe::2 spi 0xdeadbeef auth hmac-sha1 enc aes \ 2 authkey 0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa \ 3 enckey 0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee 4 5esp from 3ffe::2 to 3ffe::1 spi 0xbeefdead auth hmac-sha1 enc aes \ 6 authkey 0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa \ 7 enckey 0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee 8