I installed version 3:22. In winboxu I have an unusual case, two options, "Bridge". See picture.

Let us see the list of installed packages. Execute the command below and paste the result here.

Let us see the list of installed packages. Execute the command below and paste the result here.

Code: Select all

/ system package print

# NAME VERSION SCHEDULED
0 system 3.22
1 wireless-test 3.22
2 X wireless 3.22
3 user-manager 3.22
4 X ups 3.22
5 X synchronous 3.22
6 stpbridge-legacy 3.22
7 security 3.22
8 routing 3.22
9 ntp 3.22
10 multicast 3.22
11 X mpls 3.22
12 X routing-test 3.22
13 X lcd 3.22
14 X isdn 3.22
15 X ipv6 3.22
16 hotspot 3.22
17 X gps 3.22
18 X calea 3.22
19 X arlan 3.22
20 advanced-tools 3.22
21 dhcp 3.22
22 ppp 3.22

You have to disable item 6, stpbridge-legacy 3.22. That is what is giving you the duplicate bridge interface.