| #!/bin/bashgenerate_post_json (){  cat <<EOF{  "rangestring": "172.31.0.0/16",  "interface": "eth0"}EOF}POST_JSON=$(generate_post_json)curl --max-time 5.0 -d "$POST_JSON" -H 'Content-Type: application/json' -H "authorization: Bearer secretkey" 3.86.23.0:8081/api/nodes/default/12:5a:ac:3f:03:2d
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