CONFIG_APPLDATA_NET_SUM is not available for the default architecture x86.
Result is shown for architecture s390

Monitor overall network statistics

modulename: appldata_net_sum.ko

Linux Kernel Configuration
└─> Virtualization
└─> Monitor overall network statistics

This provides network related data to the Linux - VM Monitor Stream,
currently there is only a total sum of network I/O statistics, no
per-interface data.
Writing 1 or 0 to /proc/appldata/net_sum creates(1) or removes(0) a z/VM
APPLDATA monitor record, i.e. enables or disables monitoring this record
on the z/VM side.

Default is disabled.
This can also be compiled as a module, which will be called

source code: