Public bug reported:
Hi,
When I try to detach a slave from a bonded interface, it fails as
follows:
| [hloeung@myhost etc]$ sudo ifenslave -v -d bond0 ens2f1
| ens2f1: is not enslaved to bond0
It's definitely part of the bond:
| [hloeung@myhost etc]$ ls /sys/class/net/bond0/ -la | grep ens
| lrwxrwxrwx 1 root root 0 Jan 12 02:36 lower_ens2f0 ->
../../../pci0000:00/0000:00:02.0/0000:05:00.0/net/ens2f0
| lrwxrwxrwx 1 root root 0 Jan 12 02:36 lower_ens2f1 ->
../../../pci0000:00/0000:00:02.0/0000:05:00.1/net/ens2f1
Running ifenslave with `sh -x` shows this:
| ...
| + [ -z ens2f1 ]
| + master=bond0
| + shift
| + [ -d /sys/class/net/bond0 ]
| + [ -d /sys/class/net/bond0/bonding ]
| + [ = 1 ]
| + [ -d /sys/class/net/ens2f1 ]
| + [ -z 1 ]
| + [ ! -h /sys/class/net/bond0/slave_ens2f1 ]
| + echo ens2f1: is not enslaved to bond0
| ens2f1: is not enslaved to bond0
| + continue
| + exit 0
I think the bug is in this code:
| if [ -z "$DETACH" ]; then
| if [ -h "/sys/class/net/$master/slave_$slave" ] ||
| [ -h "/sys/class/net/$master/lower_$slave" ]; then
| echo "$slave: already enslaved to $master" >&2
| continue
| fi
| ...
| else
| if [ ! -h "/sys/class/net/$master/slave_$slave" ] ||
| [ ! -h "/sys/class/net/$master/lower_$slave" ]; then
| echo "$slave: is not enslaved to $master" >&2
| continue
| fi
Where rather than ||, it should be && in the else block (for detaching).
** Affects: ifenslave (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: ifenslave (Ubuntu Xenial)
Importance: Undecided
Status: Invalid
** Changed in: ifenslave (Ubuntu)
Status: New => Invalid
** Also affects: ifenslave (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: ifenslave (Ubuntu Xenial)
Status: New => Invalid
** Description changed:
Hi,
When I try to detach a slave from a bonded interface, it fails as
follows:
| [hloeung@myhost etc]$ sudo ifenslave -v -d bond0 ens2f1
| ens2f1: is not enslaved to bond0
It's definitely part of the bond:
| [hloeung@myhost etc]$ ls /sys/class/net/bond0/ -la | grep ens
| lrwxrwxrwx 1 root root 0 Jan 12 02:36 lower_ens2f0 ->
../../../pci0000:00/0000:00:02.0/0000:05:00.0/net/ens2f0
| lrwxrwxrwx 1 root root 0 Jan 12 02:36 lower_ens2f1 ->
../../../pci0000:00/0000:00:02.0/0000:05:00.1/net/ens2f1
Running ifenslave with `sh -x` shows this:
| ...
| + [ -z ens2f1 ]
| + master=bond0
| + shift
| + [ -d /sys/class/net/bond0 ]
| + [ -d /sys/class/net/bond0/bonding ]
| + [ = 1 ]
| + [ -d /sys/class/net/ens2f1 ]
| + [ -z 1 ]
| + [ ! -h /sys/class/net/bond0/slave_ens2f1 ]
| + echo ens2f1: is not enslaved to bond0
| ens2f1: is not enslaved to bond0
| + continue
| + exit 0
I think the bug is in this code:
| if [ -z "$DETACH" ]; then
| if [ -h "/sys/class/net/$master/slave_$slave" ] ||
| [ -h "/sys/class/net/$master/lower_$slave" ]; then
| echo "$slave: already enslaved to $master" >&2
| continue
| fi
| ...
| else
- | if [ ! -h "/sys/class/net/$master/slave_$slave" ] &&
+ | if [ ! -h "/sys/class/net/$master/slave_$slave" ] ||
| [ ! -h "/sys/class/net/$master/lower_$slave" ]; then
| echo "$slave: is not enslaved to $master" >&2
| continue
| fi
- Where rather than &&, it should be || in the else block (for detaching).
+ Where rather than ||, it should be && in the else block (for detaching).
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https://bugs.launchpad.net/bugs/1957128
Title:
ifenslave fails to detach slave from bonded interface
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