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 |
 |-----------|------|------|-----|-----|------|------|------|------|-----|
 | bvi       | true | true | 0   | 0   | 0    | 0    | 0    | 0    |     |
 | ethernet1 | true | true | 91  | 83  | 0    | 6014 | 5452 | 0    |     |
 | ethernet2 | true | true | 108 | 106 | 0    | 7086 | 6988 | 0    |     |
 |___________|______|______|_____|_____|______|______|______|______|_____|
 |~~~~~~~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~~|~~~~|~~~~|~~~~~~|~~~~~~|~~~~~~|~~~~~~|
 |                                       | packet         | byte               |
 | addr           | iface     | time     | tx | rx | drop | tx   | rx   | drop |
 |----------------|-----------|----------|----|----|------|------|------|------|
 | 0000.0000.4444 | ethernet2 | 00:00:16 | 48 | 53 | 0    | 3168 | 3494 | 0    |
 | 003b.5711.5155 | ethernet1 | 00:00:16 | 80 | 83 | 0    | 5192 | 5452 | 0    |
 | 0049.0a49.544d | bvi       | 00:00:16 | 78 | 83 | 0    | 5088 | 5434 | 0    |
 | 004b.2453.3006 | ethernet2 | 00:00:16 | 48 | 53 | 0    | 3168 | 3494 | 0    |
 |________________|___________|__________|____|____|______|______|______|______|
r2#
r2#
here is the interface:
r2#
r2#
r2#show inter bvi1 full
r2#show inter bvi1 full
bvi1 is up (since 00:00:16, 3 changes)
 description:
 type is bridged, hwaddr=0049.0a49.544d, mtu=1500, bw=100mbps, vrf=v1
 ip4 address=1.1.1.2/24, netmask=255.255.255.0, ifcid=280262868
 ip6 address=1234::2/16, netmask=ffff::, ifcid=254433571
 received 91 packets (6032 bytes) dropped 0 packets (0 bytes)
 transmitted 83 packets (5434 bytes) promisc=false macsec=false
 |~~~~~~~|~~~~|~~~~|~~~~~~|~~~~~~|~~~~~~|~~~~~~|
 |       | packet         | byte               |
 | time  | tx | rx | drop | tx   | rx   | drop |
 |-------|----|----|------|------|------|------|
 | 1sec  | 20 | 20 | 0    | 1320 | 1320 | 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  | 5  | 0    | 90   | 180  | 0    |
 | ethtyp | 86dd  | ip6     | 38 | 44 | 0    | 2572 | 3080 | 0    |
 |________|_______|_________|____|____|______|______|______|______|
 |~~~~~|~~~~|~~~~|
 | who | tx | rx |
 |-----|----|----|
 |_____|____|____|
 |~~~~~~~|~~~~~~|~~~~~~|
 | proto | pack | byte |
 |-------|------|------|
 | 0     | 3    | 90   |
 | 1     | 42   | 2772 |
 | 58    | 38   | 2572 |
 |_______|______|______|
 |~~~~~~~~~~~~|~~~~|~~~~|~~~~~~|~~~~~~|~~~~~~|~~~~~~|
 |            | packet         | byte               |
 | size       | tx | rx | drop | tx   | rx   | drop |
 |------------|----|----|------|------|------|------|
 | 0-255      | 83 | 91 | 0    | 5434 | 6032 | 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     | 83  | 83  | 83   | 5434 | 5434 | 5434 |
 | 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    |
 |_______|_____|_____|______|______|______|______|
         21k|
         19k|##
         16k|##
         14k|##
         12k|##
         10k|##
        8448|##
        6336|##             #
        4224|## # ##     #  #
        2112|########    ## #
           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 |
 |----------------|---------|----------|--------|
 | 003b.5711.5155 | 1.1.1.1 | 00:00:15 | false  |
 | 004b.2453.3006 | 1.1.1.3 | 00:00:15 | false  |
 | 0000.0000.4444 | 1.1.1.4 | 00:00:15 | false  |
 |________________|_________|__________|________|
r2#
r2#
here are the neighbors:
r2#
r2#
r2#show ipv6 neigh bvi1
r2#show ipv6 neigh bvi1
 |~~~~~~~~~~~~~~~~|~~~~~~~~~~~~~~~~~~~~~~~~~~|~~~~~~~~~~|~~~~~~~~|~~~~~~~~|
 | mac            | address                  | time     | static | router |
 |----------------|--------------------------|----------|--------|--------|
 | 003b.5711.5155 | 1234::1                  | 00:00:15 | false  | false  |
 | 004b.2453.3006 | 1234::3                  | 00:00:15 | false  | false  |
 | 0000.0000.4444 | 1234::4                  | 00:00:15 | false  | false  |
 | 0000.0000.4444 | fe80::200:ff:fe00:4444   | 00:00:15 | false  | true   |
 | 003b.5711.5155 | fe80::23b:57ff:fe11:5155 | 00:00:15 | false  | false  |
 | 004b.2453.3006 | fe80::24b:24ff:fe53:3006 | 00:00:15 | false  | true   |
 |________________|__________________________|__________|________|________|
r2#
r2#