im seeing this in ubuntu 17.04 also.
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https://bugs.launchpad.net/bugs/1729608
Title:
arithmetic expression: expecting primary: " (32-)/4 "
Status in ubuntu-fan package in Ubuntu:
Confirmed
Bug description:
Hi,
I've configured a bridge interface (named vlan0) through interfaces,
but can't take it up with ifup, since the if-up-script from ubuntu-fan
aborts with error status
reason:
# fanctl net start vlan0
/usr/sbin/fanctl: 41: /usr/sbin/fanctl: arithmetic expression: expecting
primary: " (32-)/4 "
As far as I can see the problem is that in cmd_net_up() the line
addr="${addr%/*}"
cuts the mask from the interface config and passes the pure ip address
only, but later config_filename() calls width_to_mask(), which tries
to use the (now missing) mask.
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: ubuntu-fan 0.12.6
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-16-generic x86_64
NonfreeKernelModules: zfs zunicode zavl zcommon znvpair
ApportVersion: 2.20.7-0ubuntu3.1
Architecture: amd64
CurrentDesktop: XFCE
Date: Thu Nov 2 14:26:42 2017
InstallationDate: Installed on 2017-10-24 (9 days ago)
InstallationMedia: Lubuntu 17.10 "Artful Aardvark" - Release amd64
(20171017.1)
PackageArchitecture: all
SourcePackage: ubuntu-fan
UpgradeStatus: No upgrade log present (probably fresh install)
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