null: fix crash when added to bonding
null: fix crash when added to bonding

This patch initializes eth_dev->link_intr_cbs queue used when null pmd is
added to the bonding.

Signed-off-by: Tomasz Kulasek <2fc2c8542a2a68801ce1aaca56eae5adf14485ae@intel.com>
Acked-by: Tetsuya Mukawa <b347a9f5840345582b30d055e1e99ac6ac7bce3c@igel.co.jp>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk