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Errors and traffic over network interfaces
This check measures the inbound and output traffic over a local
network interface (such as eth0). Levels for warning
and critical can be set on the error rate. The error rate
is the number of errors and collisions compared
to the number of packets transmitted during one check interval.
Note: this check is deprecated. Better use lnx_if.
The name of the network interface as shown by ifconfig,
for example "eth0"
All network interfaces except lo and sit... are found and