Package: ifupdown Version: 0.8.20 Severity: normal Hi! I've tried the newest and greatest interface matching and renaming.
State before: 1: lo: ... 2: eth0: ... master br0 3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000 link/ether 00:e0:4c:11:7f:4e brd ff:ff:ff:ff:ff:ff inet 192.168.8.6/24 brd 192.168.8.255 scope global wlan0 valid_lft forever preferred_lft forever inet6 fe80::2e0:4cff:fe11:7f4e/64 scope link valid_lft forever preferred_lft forever 4: br0: ... I physically pulled out the USB WiFi card, wrote its stanza using the way mentioned in your d-d@l.d.o post: allow-hotplug mac/00:e0:4c:11:7f:4e/=wl0 iface wl0 inet static wpa-ssid mial wpa-psk <A passphrase> address 192.168.8.6 netmask 255.255.255.0 upgraded ifupdown to 0.8.20, and plugged the WiFi card back in. It's sitting there under its old name and unconfigured as: 5: wlan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 00:e0:4c:11:7f:4e brd ff:ff:ff:ff:ff:ff Am I holding it wrong? -- Package-specific info: --- /etc/network/interfaces: #source /etc/network/interfaces.d/* auto lo iface lo inet loopback # The primary network interface auto eth0 iface eth0 inet manual auto br0 iface br0 inet6 static bridge_ports eth0 address 2001:470:64f4::6 netmask 64 gateway 2001:470:64f4::90 up ip addr add 10.0.1.6/24 dev br0 up ip route add default via 10.0.1.90 allow-hotplug usb0 iface usb0 inet static address 192.168.2.14 netmask 255.255.255.0 up iptables -A POSTROUTING -t nat -s 192.168.2.15/32 -j MASQUERADE # up echo 1 > /proc/sys/net/ipv4/ip_forward down iptables -D POSTROUTING -t nat -s 192.168.2.15/32 -j MASQUERADE # down echo 0 > /proc/sys/net/ipv4/ip_forward up ip addr add 2001:470:64f4:3::1/64 dev usb0 down ip addr del 2001:470:64f4:3::1/64 dev usb0 # up /etc/init.d/radvd start # down /etc/init.d/radvd stop allow-hotplug mac/00:e0:4c:11:7f:4e/=wl0 iface wl0 inet static wpa-ssid mial wpa-psk <CENSORED> address 192.168.8.6 netmask 255.255.255.0 #allow-hotplug wlan0 #iface wlan0 inet manual # hostapd /etc/hostapd/hostapd.conf --- up and down scripts installed: /etc/network/if-down.d: total 8 -rwxr-xr-x 1 root root 332 Jan 6 2013 upstart lrwxrwxrwx 1 root root 32 Feb 20 11:55 wpasupplicant -> ../../wpa_supplicant/ifupdown.sh /etc/network/if-post-down.d: total 12 lrwxrwxrwx 1 root root 29 Jun 26 17:48 bridge -> /lib/bridge-utils/ifupdown.sh lrwxrwxrwx 1 root root 25 Feb 20 11:55 hostapd -> ../../hostapd/ifupdown.sh lrwxrwxrwx 1 root root 32 Feb 20 11:55 wpasupplicant -> ../../wpa_supplicant/ifupdown.sh /etc/network/if-pre-up.d: total 16 lrwxrwxrwx 1 root root 29 Jun 26 17:48 bridge -> /lib/bridge-utils/ifupdown.sh -rwxr-xr-x 1 root root 344 Sep 22 2014 ethtool lrwxrwxrwx 1 root root 25 Feb 20 11:55 hostapd -> ../../hostapd/ifupdown.sh lrwxrwxrwx 1 root root 32 Feb 20 11:55 wpasupplicant -> ../../wpa_supplicant/ifupdown.sh /etc/network/if-up.d: total 28 -rwxr-xr-x 1 root root 1685 Sep 22 2014 ethtool -rwxr-xr-x 1 root root 4958 Oct 25 2014 mountnfs -rwxr-xr-x 1 root root 168 Nov 11 2016 openntpd -rwxr-xr-x 1 root root 972 Mar 30 12:18 openssh-server -rwxr-xr-x 1 root root 1483 Jan 6 2013 upstart lrwxrwxrwx 1 root root 32 Feb 20 11:55 wpasupplicant -> ../../wpa_supplicant/ifupdown.sh -- System Information: Debian Release: buster/sid APT prefers unstable-debug APT policy: (500, 'unstable-debug'), (500, 'unstable'), (500, 'testing'), (150, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.12.2+ (SMP w/6 CPU cores) Locale: LANG=C.UTF-8, LC_CTYPE=C.UTF-8 (charmap=UTF-8), LANGUAGE=C.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: sysvinit (via /sbin/init) Versions of packages ifupdown depends on: ii adduser 3.115 ii init-system-helpers 1.48 ii iproute2 4.9.0-1 ii libc6 2.24-12 ii lsb-base 9.20161125 Versions of packages ifupdown recommends: ii isc-dhcp-client [dhcp-client] 4.3.5-3 Versions of packages ifupdown suggests: pn ppp <none> pn rdnssd <none> -- no debconf information