This bug was fixed in the package ubuntu-fan - 0.12.10 --------------- ubuntu-fan (0.12.10) bionic; urgency=medium
* fan-net: support systemd-networkd controlled interfaces (LP: #1718227) * fanctl: Fix net stop internal command (LP: #1744296) * fan-net: Harden networkctl usage (LP: #1718227) * ifupdown/ubuntu-fan: Test for missing fanctl (LP: #1742712) -- Stefan Bader <stefan.ba...@canonical.com> Fri, 16 Mar 2018 11:47:46 +0100 ** Changed in: ubuntu-fan (Ubuntu) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to ubuntu-fan in Ubuntu. https://bugs.launchpad.net/bugs/1744296 Title: After ifdown on underlay interface ifup fails with 'already configured' Status in ubuntu-fan package in Ubuntu: Fix Released Bug description: With following setup: <...> 2: ens192: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000 link/ether 00:50:56:86:31:a8 brd ff:ff:ff:ff:ff:ff inet 10.245.40.80/18 brd 10.245.63.255 scope global ens192 valid_lft forever preferred_lft forever inet6 fe80::250:56ff:fe86:31a8/64 scope link valid_lft forever preferred_lft forever <...> 4: fan-254: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue state UP group default qlen 1000 link/ether 8a:f3:53:e5:11:37 brd ff:ff:ff:ff:ff:ff inet 254.161.64.1/8 scope global fan-254 valid_lft forever preferred_lft forever inet6 fe80::88f3:53ff:fee5:1137/64 scope link valid_lft forever preferred_lft forever 5: ftun0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue master fan-254 state UNKNOWN group default qlen 1000 link/ether 8a:f3:53:e5:11:37 brd ff:ff:ff:ff:ff:ff inet6 fe80::88f3:53ff:fee5:1137/64 scope link valid_lft forever preferred_lft forever Doing ifdown ens192; ifup ens192 results in an error: # ifdown ens192; echo $?; ifup ens192; echo $? Killed old client process <... isc-dhcp stuff ...> 0 <... isc-dhcp stuff ...> /usr/sbin/fanctl: fan-254: already configured /usr/sbin/fanctl: /etc/network/fan:40 10.245.0.0/18 254.0.0.0/8 -- failed err=1 run-parts: /etc/network/if-up.d/ubuntu-fan exited with return code 1 Failed to bring up ens192. 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-fan/+bug/1744296/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp