Why huge number of Tx errors are reported under & `/proc/net/dev` for nodes with System z environment ?

Issue

• Below output shows the Tx errors;

[user@localhost ] $ less proc_net_dev |column -t
Inter-|         Receive         |            Transmit                                                                                                                         
face            |bytes          packets      errs      drop  fifo  frame  compressed  multicast|bytes  packets          errs          drop  fifo  colls  carrier  compressed  
lo:             962048498299    4082916493   0         0     0     0      0           0                962048498299     4082916493    0     0     0      0        0           0
enccw0.0.a800:  463195685305    500229534    0         0     0     0      0           0                504751186392     608755805     0     0     0      0        0           0
enccw0.0.0600:  17586790183980  91706834166  0         12    0     0      0           0                148508533630786  155409646366  0     0     0      0        0           0
enccw0.0.a900:  463126250467    500169721    0         0     0     0      0           0                504725335441     608709355     0     0     0      0        0           0
[user@localhost ] $ 

• This is causing performance issue with oracle database such that the DB gets hang.