Am Freitag, 13. Mai 2022 schrieb Stefan Krusche: > When $IFACE == "--all" which is a valid option for ifup as David > pointed out then macchanger fails and reports the above error message > to its logfile because macchanger understands "--all" as on option > which it doesn't know. See also: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=780165