You have been subscribed to a public bug:
The regular expressions used in /etc/network/if-post-down.d/vlan and
/etc/network/if-pre-up.d/vlan
do not match the name of my network card enp4s0f0.
This can be fixed by broadening the regular expression.
This is only a problem when the device is a vlan device!
See below for the fix that worked on my system.
if-pre-up:
#!/bin/sh
# Most of this stuff is to enable vlans
case "$IFACE" in
# Ignore any alias (#272891) which uses <interface>:<alabel>
*:*)
exit 0
;;
vlan0*)
vconfig set_name_type VLAN_PLUS_VID
VLANID=`echo $IFACE|sed "s/vlan0*//"`
;;
vlan*)
vconfig set_name_type VLAN_PLUS_VID_NO_PAD
VLANID=`echo $IFACE|sed "s/vlan0*//"`
;;
eth*.0*|bond*.0*|wlan*.0*|em*.0*|p[0-9]*.0*|enp[0-9]*.0*)
vconfig set_name_type DEV_PLUS_VID
VLANID=`echo $IFACE|sed
"s/eth[0-9][0-9]*\.0*//g;s/bond[0-9][0-9]*\.0*//g;s/wlan[0-9][0-9]*\.0*//g;s/em[0-9][0-9]*\.0*//g;s/p[0-9][0-9]*\(p[0-9][0-9]*\)\?\(_[0-9][0-9]*\)\?\.0*//g;s/enp[0-9]s[0-9]f[0-9]\.0*//g"`
IF_VLAN_RAW_DEVICE=`echo $IFACE|sed
"s/\(eth[0-9][0-9]*\)\..*/\1/;s/\(bond[0-9][0-9]*\)\..*/\1/;s/\(wlan[0-9][0-9]*\)\..*/\1/;s/\(em[0-9][0-9]*\)\..*/\1/;s/\(p[0-9][0-9]*\(p[0-9][0-9]*\)\?\(_[0-9][0-9]*\)\?\)\..*/\1/;s/\(enp[0-9]s[0-9]f[0-9]\)\..*/\1/"`
;;
eth*.*|bond*.*|wlan*.*|em*.*|p[0-9]*.*|enp[0-9]*.*)
vconfig set_name_type DEV_PLUS_VID_NO_PAD
VLANID=`echo $IFACE|sed
"s/eth[0-9][0-9]*\.0*//g;s/bond[0-9][0-9]*\.0*//g;s/wlan[0-9][0-9]*\.0*//g;s/em[0-9][0-9]*\.0*//g;s/p[0-9][0-9]*\(p[0-9][0-9]*\)\?\(_[0-9][0-9]*\)\?\.0*//g;s/enp[0-9]s[0-9]f[0-9]\.//g"`
IF_VLAN_RAW_DEVICE=`echo $IFACE|sed
"s/\(eth[0-9][0-9]*\)\..*/\1/;s/\(bond[0-9][0-9]*\)\..*/\1/;s/\(wlan[0-9][0-9]*\)\..*/\1/;s/\(em[0-9][0-9]*\)\..*/\1/;s/\(p[0-9][0-9]*\(p[0-9][0-9]*\)\?\(_[0-9][0-9]*\)\?\)\..*/\1/;s/\(enp[0-9]s[0-9]f[0-9]\)\..*/\1/"`
;;
*.0*)
# Silently ignore interfaces which we do not (know how to) support
[ -z "$IF_VLAN_RAW_DEVICE" ] && exit 0
vconfig set_name_type DEV_PLUS_VID
VLANID=`echo $IFACE|sed "s/[^.]*\.0*//g"`
;;
*.*)
# Silently ignore interfaces which we do not (know how to) support
[ -z "$IF_VLAN_RAW_DEVICE" ] && exit 0
vconfig set_name_type DEV_PLUS_VID_NO_PAD
VLANID=`echo $IFACE|sed "s/[^.]*\.0*//g"`
;;
*)
exit 0
;;
esac
if [ -n "$IF_VLAN_RAW_DEVICE" ] && [ ! -d /sys/class/net/$IFACE ]; then
if [ ! -x /sbin/vconfig ]; then
exit 0
fi
if ! ip link show dev "$IF_VLAN_RAW_DEVICE" > /dev/null; then
echo "$IF_VLAN_RAW_DEVICE does not exist, unable to create $IFACE"
exit 1
fi
if [ ! -e "/sys/class/net/$IFACE" ]; then
ip link set up dev $IF_VLAN_RAW_DEVICE
vconfig add $IF_VLAN_RAW_DEVICE $VLANID
fi
fi
# This is not vlan specific, and should actually go somewhere else.
if [ -n "$IF_HW_MAC_ADDRESS" ]; then
ip link set $IFACE address $IF_HW_MAC_ADDRESS
fi
if-post-down:
#!/bin/sh
# If IFACE is an automagic vlan interface (without the vlan-raw-device
# parameter) then let's try to discover the magic here.. Another way would be
# to just probe for the right device name in /proc/net/vlan
case "$IFACE" in
# Ignore any alias (#272891)
*:*)
exit 0
;;
eth*.0*|bond*.0*|wlan*.0*|em*.0*|p[0-9]*.0*|enp[0-9]*\.0*)
IF_VLAN_RAW_DEVICE=`echo $IFACE|sed
"s/\(eth[0-9][0-9]*\)\..*/\1/;s/\(bond[0-9][0-9]*\)\..*/\1/;s/\(wlan[0-9][0-9]*\)\..*/\1/;s/\(em[0-9][0-9]*\)\..*/\1/;s/\(p[0-9][0-9]*\(p[0-9][0-9]*\)\?\(_[0-9][0-9]*\)\?\)\..*/\1/"`
;;
eth*.*|bond*.*|wlan*.*|em*.*|p[0-9]*.*|enp[0-9]*\.*)
IF_VLAN_RAW_DEVICE=`echo $IFACE|sed
"s/\(eth[0-9][0-9]*\)\..*/\1/;s/\(bond[0-9][0-9]*\)\..*/\1/;s/\(wlan[0-9][0-9]*\)\..*/\1/;s/\(em[0-9][0-9]*\)\..*/\1/;s/\(p[0-9][0-9]*\(p[0-9][0-9]*\)\?\(_[0-9][0-9]*\)\?\)\..*/\1/"`
;;
# Test for vlan raw device (#196890, #292648)
*)
[ -z "$IF_VLAN_RAW_DEVICE" ] && exit 0
;;
esac
if [ ! -x /sbin/vconfig ]; then
exit 0
fi
vconfig rem $IFACE
** Affects: ifupdown (Ubuntu)
Importance: Undecided
Status: New
--
ifup and ifdown dont work for vlan devices when raw ethernet device name does
not meet regular conventions
https://bugs.launchpad.net/bugs/1628591
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