I have found I needed to add
After=network-online.target
to dnsmasq.service
to ensure my ethernet port, ens18, is available, on boot.
Using Ubuntu 16.04.2
In my case, I am using dnsmasq as per the PiHole installation where the IP is
static and dhcpclient is turned off. But this is clearly not a PiHole problem
as it just installs Dnsmasq.
Rather surprised I need to add this report, and that this Bug report isn't a
higher Importance and not resolved in 3 months.
Surely loads of users will have this issue?
Kind Regards
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Touch seeded packages, which is subscribed to dnsmasq in Ubuntu.
https://bugs.launchpad.net/bugs/1531184
Title:
dnsmasq doesn't start on boot because its interface isn't up yet
Status in One Hundred Papercuts:
Confirmed
Status in dnsmasq package in Ubuntu:
Confirmed
Bug description:
My dnsmasq instance uses "interface=br-vz0" and the interface br-vz0
is managed manually in /etc/network/interfaces.
During boot, dnsmasq is started before br-vz0 is created and this
causes dnsmasq to exit:
Jan 5 08:56:16 simon-laptop dnsmasq[1008]: dnsmasq: unknown interface br-vz0
Jan 5 08:56:16 simon-laptop dnsmasq[1008]: unknown interface br-vz0
Jan 5 08:56:16 simon-laptop dnsmasq[1008]: FAILED to start up
Jan 5 08:56:17 simon-laptop NetworkManager[937]: <info> NetworkManager
(version 1.0.4) is starting...
...
Jan 5 08:56:18 simon-laptop NetworkManager[937]: <info>
interface-parser: parsing file /etc/network/interfaces
...
Jan 5 08:56:18 simon-laptop NetworkManager[937]: <info> found bridge ports
none for br-vz0
Jan 5 08:56:18 simon-laptop NetworkManager[937]: <info> adding bridge port
none to eni_ifaces
Jan 5 08:56:18 simon-laptop NetworkManager[937]: <info> management mode:
unmanaged
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: dnsmasq 2.75-1
ProcVersionSignature: Ubuntu 4.3.0-5.16-generic 4.3.3
Uname: Linux 4.3.0-5-generic x86_64
ApportVersion: 2.19.3-0ubuntu2
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Jan 5 09:53:30 2016
PackageArchitecture: all
SourcePackage: dnsmasq
UpgradeStatus: No upgrade log present (probably fresh install)
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