DPDK does not implement interrupt mechanism on BSD,
so force NIC status synchronization.
Fixes: dc66e5fd01b9 ("net/ixgbe: improve link state check on VF")
Cc: stable@dpdk.org
Signed-off-by: Zhihong Peng <zhihongx.peng@intel.com>
Tested-by: Zhimin Huang <zhiminx.huang@intel.com>
Acked-by: Xiaolong Ye <xiaolong.ye@intel.com>