gistfile1.txt

    SUBSYSTEM=="net", ACTION=="add", DEVPATH!="/devices/virtual/*", TAG+="systemd", ENV{SYSTEMD_WANTS}+="[email protected]", RUN+="/bin/sh -c 'echo $(date) $(env) >>/tmp/udev-debug.log'"

udev-debug.log:

Fri Feb 21 16:58:45 CET 2025 TAGS=:systemd: IFINDEX=2 ID_PATH=platform-BCM2847:00 PWD=/ SEQNUM=4607 ID_NET_LINK_FILE=/nix/store/xa0y3h7dfvl5c4l7wvbnm8kg7z019v5w-systemd-257.2/lib/systemd/network/99-default.link DEVPATH=/devices/system/container/ACPI0004:00/BCM2847:00/mmc_host/mmc0/mmc0:0001/mmc0:0001:1/net/wlan0 SYSTEMD_ALIAS=/sys/subsystem/net/devices/wlan0 USEC_INITIALIZED=8994536 INTERFACE=wlan0 SUBSYSTEM=net UDEV_DATABASE_VERSION=1 ID_PATH_TAG=platform-BCM2847_00 ID_OUI_FROM_DATABASE=Raspberry Pi Trading Ltd CURRENT_TAGS=:systemd: SHLVL=0 ID_PROCESSING=1 ID_NET_NAMING_SCHEME=v257 [email protected] ID_NET_NAME=wlan0 DEVTYPE=wlan PATH=/nix/store/rlhpidka65323cfm8460ws9344nsxk93-udev-path/bin:/nix/store/rlhpidka65323cfm8460ws9344nsxk93-udev-path/sbin ID_NET_DRIVER=brcmfmac ID_NET_NAME_MAC=wlxdca632c23727 ACTION=add _=/nix/store/rlhpidka65323cfm8460ws9344nsxk93-udev-path/bin/env
Fri Feb 21 16:58:46 CET 2025 TAGS=:systemd: IFINDEX=3 ID_PATH=platform-BCM6E4E:00 PWD=/ SEQNUM=4611 ID_NET_LINK_FILE=/nix/store/xa0y3h7dfvl5c4l7wvbnm8kg7z019v5w-systemd-257.2/lib/systemd/network/99-default.link DEVPATH=/devices/platform/BCM6E4E:00/net/enabcm6e4ei0 SYSTEMD_ALIAS=/sys/subsystem/net/devices/enabcm6e4ei0 USEC_INITIALIZED=9272554 INTERFACE=enabcm6e4ei0 SUBSYSTEM=net INTERFACE_OLD=eth0 UDEV_DATABASE_VERSION=1 ID_PATH_TAG=platform-BCM6E4E_00 CURRENT_TAGS=:systemd: SHLVL=0 ID_PROCESSING=1 ID_NET_NAMING_SCHEME=v257 ID_NET_NAME_PATH=enabcm6e4ei0 [email protected] ID_NET_NAME=enabcm6e4ei0 ID_RENAMING=1 PATH=/nix/store/rlhpidka65323cfm8460ws9344nsxk93-udev-path/bin:/nix/store/rlhpidka65323cfm8460ws9344nsxk93-udev-path/sbin ID_NET_DRIVER=bcmgenet ACTION=add _=/nix/store/rlhpidka65323cfm8460ws9344nsxk93-udev-path/bin/env

udevadm info:

# udevadm info /sys/class/net/wlan0
P: /devices/system/container/ACPI0004:00/BCM2847:00/mmc_host/mmc0/mmc0:0001/mmc0:0001:1/net/wlan0
M: wlan0
R: 0
J: n2
U: net
T: wlan
I: 2
E: DEVPATH=/devices/system/container/ACPI0004:00/BCM2847:00/mmc_host/mmc0/mmc0:0001/mmc0:0001:1/net/wlan0
E: SUBSYSTEM=net
E: DEVTYPE=wlan
E: INTERFACE=wlan0
E: IFINDEX=2

# udevadm info /sys/class/net/enabcm6e4ei0 
P: /devices/platform/BCM6E4E:00/net/enabcm6e4ei0
M: enabcm6e4ei0
R: 0
J: n3
U: net
I: 3
E: DEVPATH=/devices/platform/BCM6E4E:00/net/enabcm6e4ei0
E: SUBSYSTEM=net
E: INTERFACE=enabcm6e4ei0
E: IFINDEX=3