on 4.14, internal wifi ap0. All NIC down
# uname -a
Linux bpi-r2 4.14.11-00039-ga352d6b52e30 #2 SMP Thu Jan 4 11:27:02 EST 2018 armv7l GNU/Linux
# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 4a:93:ae:dc:99:04 brd ff:ff:ff:ff:ff:ff
3: [email protected]: <BROADCAST,MULTICAST,M-DOWN> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 4a:93:ae:dc:99:04 brd ff:ff:ff:ff:ff:ff
4: [email protected]: <BROADCAST,MULTICAST,M-DOWN> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 4a:93:ae:dc:99:04 brd ff:ff:ff:ff:ff:ff
5: [email protected]: <BROADCAST,MULTICAST,M-DOWN> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 4a:93:ae:dc:99:04 brd ff:ff:ff:ff:ff:ff
6: [email protected]: <BROADCAST,MULTICAST,M-DOWN> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 4a:93:ae:dc:99:04 brd ff:ff:ff:ff:ff:ff
7: [email protected]: <BROADCAST,MULTICAST,M-DOWN> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 4a:93:ae:dc:99:04 brd ff:ff:ff:ff:ff:ff
8: wlan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 00:08:22:04:4c:00 brd ff:ff:ff:ff:ff:ff
9: ap0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 02:08:22:04:4c:00 brd ff:ff:ff:ff:ff:ff