update metadata.csv for system.net.tcp.failed_retransmits (#8490)

* Update network/metadata.csv

Co-authored-by: Christine Chen <[email protected]>
Co-authored-by: Andrew Zhang <[email protected]>

network/metadata.csv

@@ -47,6 +47,8 @@ system.net.packets_in.count,gauge,,packet,second,The number of packets of data r
 system.net.packets_in.error,gauge,,error,second,The number of packet receive errors detected by the device driver.,-1,system,pkts in err
 system.net.packets_out.count,gauge,,packet,second,The number of packets of data transmitted by the interface.,0,system,packets out
 system.net.packets_out.error,gauge,,error,second,The number of packet transmit errors detected by the device driver.,-1,system,pkts out err
+system.net.tcp.failed_retransmits,gauge,,packet,,Number of TCP packets that failed to be retransmitted (Linux only),0,system,failed retransmit
+system.net.tcp.failed_retransmits.count,count,,packet,,Number of TCP packets that failed to be retransmitted (Linux only),0,system,failed retransmit monotonic count
 system.net.tcp.in_segs,gauge,,segment,second,The number of TCP segments received (Linux or Solaris only).,0,system,segs in
 system.net.tcp.in_segs.count,count,,segment,,Total number of received TCP segments (Linux or Solaris only).,0,system,segs in
 system.net.tcp.out_segs,gauge,,segment,second,The number of TCP segments transmitted (Linux or Solaris only).,0,system,segs out
@@ -62,7 +64,6 @@ system.net.tcp.listen_drops,gauge,,,,The number of times connections have droppe
 system.net.tcp.listen_drops.count,count,,,,Total number of times connections have dropped out of listen (Linux only).,-1,system,tcp listen drops
 system.net.tcp.backlog_drops,gauge,,packet,,The number of packets dropped because there wasn't room in the TCP backlog (Linux only). Available since Agent v5.14.0.,-1,system,tcp backlog drops
 system.net.tcp.backlog_drops.count,count,,packet,,Total number of packets dropped because there wasn't room in the TCP backlog (Linux only).,-1,system,tcp backlog drops
-system.net.tcp.failed_retransmits.count,count,,packet,,Total number of packets that failed to be retransmitted (Linux only).,-1,system,tcp failed retrans
 system.net.tcp.recv_q.95percentile,gauge,,byte,,The 95th percentile of the size of the TCP receive queue.,0,system,recv-q 95th
 system.net.tcp.recv_q.avg,gauge,,byte,,The average TCP receive queue size.,0,system,recv-q avg
 system.net.tcp.recv_q.count,rate,,connection,second,The rate of connections.,0,system,recv-q count