I'm running into this issue as well. By moving my "mtu 9000" to the same
"post-up ifconfig $IFACE mtu 9000" that I was using for all of my other
interfaces, it at least started to actually bring the interface up, and
set the gateway correctly. But it is still not setting the mtu properly
for the vlan4 device, and only the vlan4 device.
(Irrelevant data trimmed from pastes below)
$ cat /etc/network/interfaces
# The primary network interface
auto enp3s0f0
iface enp3s0f0 inet manual
bond-master bond0
post-up ifconfig $IFACE mtu 9000
auto enp3s0f1
iface enp3s0f1 inet manual
bond-master bond0
post-up ifconfig $IFACE mtu 9000
auto bond0
iface bond0 inet manual
bond-slaves enp3s0f0 enp3s0f1
post-up ifconfig $IFACE mtu 9000
auto mesh0
iface mesh0 inet manual
bridge_ports bond0
bridge_stp off
bridge_fd 0
post-up ifconfig $IFACE mtu 9000
auto vlan4
iface vlan4 inet static
address 10.42.0.6
netmask 255.255.255.0
gateway 10.42.0.1
post-up ifconfig $IFACE mtu 9000
vlan-raw-device mesh0
$ systemctl status networking
● networking.service - Raise network interfaces
Loaded: loaded (/lib/systemd/system/networking.service; enabled; vendor
preset: enabled)
Drop-In: /run/systemd/generator/networking.service.d
└─50-insserv.conf-$network.conf
Active: failed (Result: exit-code) since Do 2016-05-19 07:22:30 UTC; 9min ago
Docs: man:interfaces(5)
Process: 3610 ExecStart=/sbin/ifup -a --read-environment (code=exited,
status=1/FAILURE)
Process: 3341 ExecStartPre=/bin/sh -c [ "$CONFIGURE_INTERFACES" != "no" ] &&
[ -n "$(ifquery --read-environment --list --exclude=lo)" ] && udevadm settle
(code=exited, status=0/SUCCESS)
Main PID: 3610 (code=exited, status=1/FAILURE)
Mai 19 07:22:27 gloss.orion.snow.mesh ifup[3610]: /sbin/ifup: waiting for lock
on /run/network/ifstate.enp3s0f0
Mai 19 07:22:29 gloss.orion.snow.mesh ifup[3610]: /sbin/ifup: waiting for lock
on /run/network/ifstate.enp3s0f1
Mai 19 07:22:29 gloss.orion.snow.mesh ifup[3610]: Waiting for mesh0 to get
ready (MAXWAIT is 2 seconds).
Mai 19 07:22:30 gloss.orion.snow.mesh ifup[3610]: Set name-type for VLAN
subsystem. Should be visible in /proc/net/vlan/config
Mai 19 07:22:30 gloss.orion.snow.mesh ifup[3610]: RTNETLINK answers: File exists
Mai 19 07:22:30 gloss.orion.snow.mesh ifup[3610]: Failed to bring up vlan4.
Mai 19 07:22:30 gloss.orion.snow.mesh systemd[1]: networking.service: Main
process exited, code=exited, status=1/FAILURE
Mai 19 07:22:30 gloss.orion.snow.mesh systemd[1]: Failed to start Raise network
interfaces.
Mai 19 07:22:30 gloss.orion.snow.mesh systemd[1]: networking.service: Unit
entered failed state.
Mai 19 07:22:30 gloss.orion.snow.mesh systemd[1]: networking.service: Failed
with result 'exit-code'.
$ /sbin/ifconfig
bond0 Link encap:Ethernet HWaddr 00:25:90:14:cb:d8
inet6 addr: fe80::225:90ff:fe14:cbd8/64 Scope:Link
UP BROADCAST RUNNING MASTER MULTICAST MTU:9000 Metric:1
RX packets:27794 errors:0 dropped:0 overruns:0 frame:0
TX packets:78498 errors:0 dropped:4 overruns:0 carrier:0
collisions:0 txqueuelen:1000
enp3s0f0 Link encap:Ethernet HWaddr 00:25:90:14:cb:d8
UP BROADCAST RUNNING SLAVE MULTICAST MTU:9000 Metric:1
RX packets:9964 errors:0 dropped:0 overruns:0 frame:0
TX packets:39249 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
enp3s0f1 Link encap:Ethernet HWaddr 00:25:90:14:cb:d8
UP BROADCAST RUNNING SLAVE MULTICAST MTU:9000 Metric:1
RX packets:17830 errors:0 dropped:0 overruns:0 frame:0
TX packets:39249 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
mesh0 Link encap:Ethernet HWaddr 00:25:90:14:cb:d8
inet6 addr: fe80::225:90ff:fe14:cbd8/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:9000 Metric:1
RX packets:103632 errors:0 dropped:0 overruns:0 frame:0
TX packets:7722 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
vlan4 Link encap:Ethernet HWaddr 16:4d:22:46:c5:54
inet addr:10.42.0.6 Bcast:10.42.0.255 Mask:255.255.255.0
inet6 addr: fe80::144d:22ff:fe46:c554/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:14949 errors:0 dropped:0 overruns:0 frame:0
TX packets:7714 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
But at least now, I'll be stuck wondering why my transfer speeds are
capped at 2Gb/s now instead of “why can I talk to everything BUT the
actual server itself?” (I can even access the two virtual machines
underneath!)
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https://bugs.launchpad.net/bugs/1565804
Title:
ifup of vlan interfaces failing during networking start - RTNETLINK
answers: File exists
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