Cluster.routing.allocation.same_shard.host doesnt seem to work properly

Why are the IPs shown in the 2 listings different?

ngx-2018.06.20 1 p STARTED 29612   17mb 10.11.6.45 elk-ela-1f-data-4

_nodes:

"name": "elk-ela-1f-data-4",
      "transport_address": "10.10.10.45:9303",
      "host": "10.10.10.45",