pci: fix the bdf format

The format of bdf should look like this 00:07.0

Signed-off-by: Haifeng Gao <gaohaifeng.gao@huawei.com>
Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>
virtio-net/vmxnet3: fix if_ioctl SIOCADDMULTI SIOCDELMULTI case

In current code, SIOCADDMULTI and SIOCDELMULTI will print the same message, so make it different.

Signed-off-by: wangbicheng <wangbicheng@huawei.com>
Signed-off-by: Haifeng Gao <gaohaifeng.gao@huawei.com>
Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>