1esp from 3ffe::1 to any spi 0xdeadbeef:0xbeefdead \
2 authkey 0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa:0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa \
3 enckey 0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee:0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
4