esp tunnel from 3ffe::1 to 3ffe::2 spi 0xdeadbeef auth hmac-sha2-256 enc aes \ authkey 0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa \ enckey 0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee esp tunnel from 3ffe::2 to 3ffe::1 spi 0xbeefdead auth hmac-sha2-256 enc aes \ authkey 0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa \ enckey 0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee