here is the bridge:
r2#
r2#
r2#show bridge 1
r2#show bridge 1
 |~~~~~~~~~~~|~~~~~~|~~~~~~|~~~~~|~~~~~|~~~~~~|~~~~~~|~~~~~~|~~~~~~|~~~~~|
 |                         | packet           | byte               |     |
 | iface     | fwd  | phys | tx  | rx  | drop | tx   | rx   | drop | grp |
 |-----------|------|------|-----|-----|------|------|------|------|-----|
 | brprt bvi |      |      |     |     |      |      |      |      |     |
 | ethernet1 | true | true | 93  | 83  | 0    | 6092 | 5452 | 0    |     |
 | ethernet2 | true | true | 124 | 120 | 0    | 8166 | 7866 | 0    |     |
 |___________|______|______|_____|_____|______|______|______|______|_____|
 |~~~~~~~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~|~~~~~~~~~~|~~~~|~~~~|~~~~~~|~~~~~~|~~~~~~|~~~~~~|
 |                                     | packet             | byte               |  |
 | addr           | iface     | static | time     | tx | rx | drop | tx   | rx   | drop |
 |----------------|-----------|--------|----------|----|----|------|------|------|------|
 | 0000.0000.4444 | ethernet2 | false  | 00:00:25 | 57 | 60 | 0    | 3770 | 3924 | 0    |
 | 006f.3c73.491b | bvi       | false  | 00:00:25 | 82 | 90 | 0    | 5360 | 5912 | 0    |
 | 0076.513f.3148 | ethernet1 | false  | 00:00:25 | 80 | 83 | 0    | 5192 | 5452 | 0    |
 | 0078.6c42.0952 | ethernet2 | false  | 00:00:25 | 54 | 60 | 0    | 3572 | 3942 | 0    |
 |________________|___________|________|__________|____|____|______|______|______|______|
r2#
r2#
here is the interface:
r2#
r2#
r2#show inter bvi1 full
r2#show inter bvi1 full
bvi1 is up (since 00:00:25, 3 changes)
 description:
 type is bridged, hwaddr=006f.3c73.491b, mtu=1500, bw=100mbps, vrf=v1
 ip4 address=1.1.1.2/24, netmask=255.255.255.0, ifcid=171361275
 ip6 address=1234::2/16, netmask=ffff::, ifcid=827329846
 received 96 packets (6308 bytes) dropped 0 packets (0 bytes)
 transmitted 90 packets (5912 bytes) promisc=false macsec=false sgt=false
 |~~~~~~~|~~~~|~~~~|~~~~~~|~~~~~|~~~~~|~~~~~~|
 |       | packet         | byte             |
 | time  | tx | rx | drop | tx  | rx  | drop |
 |-------|----|----|------|-----|-----|------|
 | 1sec  | 5  | 5  | 0    | 330 | 330 | 0    |
 | 1min  | 0  | 0  | 0    | 0   | 0   | 0    |
 | 1hour | 0  | 0  | 0    | 0   | 0   | 0    |
 |_______|____|____|______|_____|_____|______|
 |~~~~~~~~|~~~~~~~|~~~~~~~~~|~~~~|~~~~|~~~~~~|~~~~~~|~~~~~~|~~~~~~|
 |                          | packet         | byte               |
 | type   | value | handler | tx | rx | drop | tx   | rx   | drop |
 |--------|-------|---------|----|----|------|------|------|------|
 | ethtyp | 0000  | null    | 0  | 0  | 0    | 0    | 0    | 0    |
 | ethtyp | 0800  | ip4     | 42 | 42 | 0    | 2772 | 2772 | 0    |
 | ethtyp | 0806  | arp4    | 3  | 6  | 0    | 90   | 216  | 0    |
 | ethtyp | 86dd  | ip6     | 45 | 48 | 0    | 3050 | 3320 | 0    |
 |________|_______|_________|____|____|______|______|______|______|
 |~~~~~|~~~~|~~~~|
 | who | tx | rx |
 |-----|----|----|
 |_____|____|____|
 |~~~~~~~|~~~~~~|~~~~~~|
 | proto | pack | byte |
 |-------|------|------|
 | 0     | 3    | 90   |
 | 1     | 42   | 2772 |
 | 58    | 45   | 3050 |
 |_______|______|______|
 |~~~~~~~~~~~~|~~~~|~~~~|~~~~~~|~~~~~~|~~~~~~|~~~~~~|
 |            | packet         | byte               |
 | size       | tx | rx | drop | tx   | rx   | drop |
 |------------|----|----|------|------|------|------|
 | 0-255      | 90 | 96 | 0    | 5912 | 6308 | 0    |
 | 256-511    | 0  | 0  | 0    | 0    | 0    | 0    |
 | 512-767    | 0  | 0  | 0    | 0    | 0    | 0    |
 | 768-1023   | 0  | 0  | 0    | 0    | 0    | 0    |
 | 1024-1279  | 0  | 0  | 0    | 0    | 0    | 0    |
 | 1280-1535  | 0  | 0  | 0    | 0    | 0    | 0    |
 | 1536-1791  | 0  | 0  | 0    | 0    | 0    | 0    |
 | 1792-65535 | 0  | 0  | 0    | 0    | 0    | 0    |
 |____________|____|____|______|______|______|______|
 |~~~~~~~|~~~~~|~~~~~|~~~~~~|~~~~~~|~~~~~~|~~~~~~|
 |       | packet           | byte               |
 | class | cos | exp | prec | cos  | exp  | prec |
 |-------|-----|-----|------|------|------|------|
 | 0     | 90  | 90  | 90   | 5912 | 5912 | 5912 |
 | 1     | 0   | 0   | 0    | 0    | 0    | 0    |
 | 2     | 0   | 0   | 0    | 0    | 0    | 0    |
 | 3     | 0   | 0   | 0    | 0    | 0    | 0    |
 | 4     | 0   | 0   | 0    | 0    | 0    | 0    |
 | 5     | 0   | 0   | 0    | 0    | 0    | 0    |
 | 6     | 0   | 0   | 0    | 0    | 0    | 0    |
 | 7     | 0   | 0   | 0    | 0    | 0    | 0    |
 |_______|_____|_____|______|______|______|______|
         12k|
         11k|          #
        9817|          #
        8590|          #
        7363|          #
        6136|        # #
        4908|# # ##  # # # #  #   #  #
        3681|# # ##  #######  #   ## #
        2454|# # ### #######  #   ## #
        1227|# # ###########  #   ## #
           0|# # ###########  # # ####
         bps|0---------10--------20--------30--------40--------50-------- seconds
           1|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
         bps|0---------10--------20--------30--------40--------50-------- minutes
           1|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
           0|
         bps|0---------10--------20--------30--------40--------50-------- hours
r2#
r2#
here is the arp:
r2#
r2#
r2#show ipv4 arp bvi1
r2#show ipv4 arp bvi1
 |~~~~~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~|~~~~~~~~|
 | mac            | address | time     | static |
 |----------------|---------|----------|--------|
 | 0076.513f.3148 | 1.1.1.1 | 00:00:25 | false  |
 | 0078.6c42.0952 | 1.1.1.3 | 00:00:25 | false  |
 | 0000.0000.4444 | 1.1.1.4 | 00:00:25 | false  |
 |________________|_________|__________|________|
r2#
r2#
here are the neighbors:
r2#
r2#
r2#show ipv6 neigh bvi1
r2#show ipv6 neigh bvi1
 |~~~~~~~~~~~~~~~~|~~~~~~~~~~~~~~~~~~~~~~~~~~|~~~~~~~~~~|~~~~~~~~|~~~~~~~~|
 | mac            | address                  | time     | static | router |
 |----------------|--------------------------|----------|--------|--------|
 | 0076.513f.3148 | 1234::1                  | 00:00:25 | false  | false  |
 | 0078.6c42.0952 | 1234::3                  | 00:00:25 | false  | false  |
 | 0000.0000.4444 | 1234::4                  | 00:00:25 | false  | false  |
 | 0000.0000.4444 | fe80::200:ff:fe00:4444   | 00:00:25 | false  | false  |
 | 0076.513f.3148 | fe80::276:51ff:fe3f:3148 | 00:00:25 | false  | false  |
 | 0078.6c42.0952 | fe80::278:6cff:fe42:952  | 00:00:25 | false  | false  |
 |________________|__________________________|__________|________|________|
r2#
r2#