Hi, this "bug" still exists in the latest 4.19 kernel in Debian:
# uname -a Linux irancy 4.19.0-4-amd64 #1 SMP Debian 4.19.28-2 (2019-03-15) x86_64 GNU/Linux # ip addr [...] 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 -- Laurent.