velodyne driver unexpected behavier

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when ever I try to convert .PCAP to .bag with ros, the velodyne node ( rosrun velodyne_driver velodyne_node _model:=VLP16 _pcap:=/home/myname/file.pcap _read_once:=true ) does end. It gives me continuous message and does not end until I press "Ctrl" + C.

[ INFO] [1576256214.182331797]: end of file reached -- done reading.
[ INFO] [1576256214.182365067]: end of file reached -- done reading.
[ INFO] [1576256214.182396302]: end of file reached -- done reading.
^C[ INFO] [1576256214.182435725]: end of file reached -- done reading.
[ INFO] [1576256214.182473081]: end of file reached -- done reading.
[ INFO] [1576256214.182513297]: end of file reached -- done reading.
[ INFO] [1576256214.182542556]: end of file reached -- done reading.
[ INFO] [1576256214.182570001]: end of file reached -- done reading.
[ INFO] [1576256214.182597631]: end of file reached -- done reading.
[ INFO] [1576256214.182625048]: end of file reached -- done reading.
[ INFO] [1576256214.182652369]: end of file reached -- done reading.
[ INFO] [1576256214.182680082]: end of file reached -- done reading.
[ INFO] [1576256214.182706711]: end of file reached -- done reading.
[ INFO] [1576256214.182733408]: end of file reached -- done reading.
[ INFO] [1576256214.182759755]: end of file reached -- done reading.