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# Use MAC based names for network interfaces which are directly or indirectly
# on USB and have an universally administered (stable) MAC address (second bit
# is 0). Don't do this when ifnames is disabled via kernel command line or
# customizing/disabling 99-default.link (or previously 80-net-setup-link.rules)
# or if the interface name was provided by user-space.
ACTION=="remove", GOTO="usb_net_by_mac_end"
SUBSYSTEM!="net", GOTO="usb_net_by_mac_end"
ATTR{name_assign_type}=="3", GOTO="usb_net_by_mac_end"
IMPORT{cmdline}="net.ifnames"
ENV{net.ifnames}=="0", GOTO="usb_net_by_mac_end"
SUBSYSTEMS=="usb", NAME=="", \
ATTR{address}=="?[014589cd]:*", \
TEST!="/etc/udev/rules.d/80-net-setup-link.rules", \
TEST!="/etc/systemd/network/99-default.link", \
IMPORT{builtin}="net_id", NAME="$env{ID_NET_NAME_MAC}"
LABEL="usb_net_by_mac_end"
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