ifdata(1) on Linux
The text cba211707d82, as Debian 10 (Buster), Debian 9 (Stretch) shipped it.
get network interface info without parsing ifconfig output
Flags it lists
-
-bips -
-bops -
-e -
-h -
-p -
-pN -
-pa -
-pb -
-pe -
-pf -
-ph -
-pm -
-pn -
-si -
-sib -
-sic -
-sid -
-sie -
-sif -
-sim -
-sip -
-so -
-sob -
-soc -
-sod -
-soe -
-sof -
-som -
-sop -
-sox