A loop back NS message is detected during DAD for

[nasheayahu]

8: bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue master bridge0 state UP group default qlen 1000
    link/ether 00:1b:21:d2:f0:fc brd ff:ff:ff:ff:ff:ff
9: bridge0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 00:1b:21:d2:f0:fc brd ff:ff:ff:ff:ff:ff
    inet 10.10.30.33/24 brd 10.10.30.255 scope global dynamic noprefixroute bridge0
       valid_lft 3720sec preferred_lft 3720sec

Would you correct me if I’m wrong, but doesn’t the mac address suppose to be unique, and is this why I’m getting these messages trying to configure (VM) pfSense WAN NIC (bridge0) and unable too?

bridge0:

bond0:

And how do I correct this?

Thanks!..