Package: ifupdown Version: 0.8.36 Severity: normal Tags: ipv4 ipv6 Debian Bug #858070 remains in ifdown version 0.8.36
Multipe static IPv4 and IPv6 address are affected because interface is flushed AND downed AFTER EVERY address delete. admin@hef1v10:~$ cat /etc/network/interfaces.d/ens224 allow-hotplug ens224 iface ens224 inet static address 64.62.193.70/28 iface ens224 inet static address 64.62.193.74/28 iface ens224 inet static address 64.62.193.75/28 iface ens224 inet static address 64.62.193.76/28 iface ens224 inet static address 64.62.193.77/28 iface ens224 inet static address 64.62.193.78/28 iface ipv6all inet6 static accept_ra 0 # Accept router advertisements 0=off autoconf 0 # Perform stateless autoconfiguration 0=off dad-attempts 0 # Duplicate Address Detection attempts privext 0 # Privacy extensions (RFC3041) 0=off iface ens224 inet6 static inherits ipv6all address 2001:470:44:2::403e:c146/64 iface ens224 inet6 static inherits ipv6all address 2001:470:44:2::403e:c14a/64 iface ens224 inet6 static inherits ipv6all address 2001:470:44:2::403e:c14e/64 iface ens224 inet6 static inherits ipv6all address 2001:470:44:2:20c:29ff:fe60:aa05/64 iface ens224 inet6 static inherits ipv6all address 2001:470:44:2:20c:29ff:feba:79b3/64 iface ens224 inet6 static inherits ipv6all address 2001:470:44:2:20c:29ff:fee1:45b7/64 admin@hef1v10:~$ sudo ifdown --version ifdown version 0.8.36 Copyright (c) 1999-2009 Anthony Towns 2010-2015 Andrej Shadura 2015-2017 Guus Sliepen This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. admin@hef1v10:~$ sudo ifdown --verbose ens224 ifdown: parsing file /etc/network/interfaces.d/ens224 ifdown: configuring interface ens224=ens224 (inet) /bin/run-parts --verbose /etc/network/if-down.d /sbin/ip addr del 64.62.193.70/255.255.255.240 broadcast 64.62.193.79 dev ens224 label ens224 /sbin/ip -4 addr flush dev ens224 /sbin/ip link set dev ens224 down /bin/run-parts --verbose /etc/network/if-post-down.d ifdown: configuring interface ens224=ens224 (inet) /bin/run-parts --verbose /etc/network/if-down.d /sbin/ip addr del 64.62.193.74/255.255.255.240 broadcast 64.62.193.79 dev ens224 label ens224 RTNETLINK answers: Cannot assign requested address /sbin/ip -4 addr flush dev ens224 /sbin/ip link set dev ens224 down /bin/run-parts --verbose /etc/network/if-post-down.d ifdown: configuring interface ens224=ens224 (inet) /bin/run-parts --verbose /etc/network/if-down.d /sbin/ip addr del 64.62.193.75/255.255.255.240 broadcast 64.62.193.79 dev ens224 label ens224 RTNETLINK answers: Cannot assign requested address /sbin/ip -4 addr flush dev ens224 /sbin/ip link set dev ens224 down /bin/run-parts --verbose /etc/network/if-post-down.d ifdown: configuring interface ens224=ens224 (inet) /bin/run-parts --verbose /etc/network/if-down.d /sbin/ip addr del 64.62.193.76/255.255.255.240 broadcast 64.62.193.79 dev ens224 label ens224 RTNETLINK answers: Cannot assign requested address /sbin/ip -4 addr flush dev ens224 /sbin/ip link set dev ens224 down /bin/run-parts --verbose /etc/network/if-post-down.d ifdown: configuring interface ens224=ens224 (inet) /bin/run-parts --verbose /etc/network/if-down.d /sbin/ip addr del 64.62.193.77/255.255.255.240 broadcast 64.62.193.79 dev ens224 label ens224 RTNETLINK answers: Cannot assign requested address /sbin/ip -4 addr flush dev ens224 /sbin/ip link set dev ens224 down /bin/run-parts --verbose /etc/network/if-post-down.d ifdown: configuring interface ens224=ens224 (inet) /bin/run-parts --verbose /etc/network/if-down.d /sbin/ip addr del 64.62.193.78/255.255.255.240 broadcast 64.62.193.79 dev ens224 label ens224 RTNETLINK answers: Cannot assign requested address /sbin/ip -4 addr flush dev ens224 /sbin/ip link set dev ens224 down /bin/run-parts --verbose /etc/network/if-post-down.d ifdown: configuring interface ens224=ens224 (inet6) /bin/run-parts --verbose /etc/network/if-down.d /sbin/ip -6 addr del 2001:470:44:2::403e:c146/64 dev ens224 RTNETLINK answers: Cannot assign requested address /sbin/ip -6 addr flush dev ens224 /sbin/ip link set dev ens224 down /bin/run-parts --verbose /etc/network/if-post-down.d ifdown: configuring interface ens224=ens224 (inet6) /bin/run-parts --verbose /etc/network/if-down.d /sbin/ip -6 addr del 2001:470:44:2::403e:c14a/64 dev ens224 RTNETLINK answers: Cannot assign requested address /sbin/ip -6 addr flush dev ens224 /sbin/ip link set dev ens224 down /bin/run-parts --verbose /etc/network/if-post-down.d ifdown: configuring interface ens224=ens224 (inet6) /bin/run-parts --verbose /etc/network/if-down.d /sbin/ip -6 addr del 2001:470:44:2::403e:c14e/64 dev ens224 RTNETLINK answers: Cannot assign requested address /sbin/ip -6 addr flush dev ens224 /sbin/ip link set dev ens224 down /bin/run-parts --verbose /etc/network/if-post-down.d ifdown: configuring interface ens224=ens224 (inet6) /bin/run-parts --verbose /etc/network/if-down.d /sbin/ip -6 addr del 2001:470:44:2:20c:29ff:fe60:aa05/64 dev ens224 RTNETLINK answers: Cannot assign requested address /sbin/ip -6 addr flush dev ens224 /sbin/ip link set dev ens224 down /bin/run-parts --verbose /etc/network/if-post-down.d ifdown: configuring interface ens224=ens224 (inet6) /bin/run-parts --verbose /etc/network/if-down.d /sbin/ip -6 addr del 2001:470:44:2:20c:29ff:feba:79b3/64 dev ens224 RTNETLINK answers: Cannot assign requested address /sbin/ip -6 addr flush dev ens224 /sbin/ip link set dev ens224 down /bin/run-parts --verbose /etc/network/if-post-down.d ifdown: configuring interface ens224=ens224 (inet6) /bin/run-parts --verbose /etc/network/if-down.d /sbin/ip -6 addr del 2001:470:44:2:20c:29ff:fee1:45b7/64 dev ens224 RTNETLINK answers: Cannot assign requested address /sbin/ip -6 addr flush dev ens224 /sbin/ip link set dev ens224 down /bin/run-parts --verbose /etc/network/if-post-down.d