Marvel not reporting correct network stats

Node checked for transport / network for stats :

  "transport" : {
    "server_open" : 143,
    "rx_count" : 33898549,
    "rx_size_in_bytes" : 12864852481,
    "tx_count" : 33898584,
    "tx_size_in_bytes" : 1516049161

}
"network" : {
"tcp" : {
"active_opens" : 11069,
"passive_opens" : 1457,
"curr_estab" : 289,
"in_segs" : 69329851,
"out_segs" : 77016946,
"retrans_segs" : 1404,
"estab_resets" : 59,
"attempt_fails" : 98,
"in_errs" : 61,
"out_rsts" : 239
}

As reported in Marvel for same node:

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