If the bond device was created by vdev mode, the kvlist was not free
when the bond device removed.
Fixes: 8d30fe7fa737 ("bonding: support port hotplug")
Cc: stable@dpdk.org
Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>