GETTING RTNETLINK ERROR

[jynt1401]

RTNETLINK answers: File exists
brctl: bridge br100: File exists
brctl: bridge br100: Resource busy
brctl: bridge br100: Resource busy
Error: ipv4: Address already assigned.
RTNETLINK answers: File exists
brctl: bridge br100: File exists
brctl: bridge br100: Resource busy
brctl: bridge br100: Resource busy
brctl: bridge br100: Resource busy
Error: ipv4: Address already assigned.
RTNETLINK answers: File exists
brctl: bridge br100: File exists
brctl: bridge br100: Resource busy
brctl: bridge br100: Resource busy
Error: ipv4: Address already assigned.
RTNETLINK answers: File exists
brctl: bridge br100: File exists
brctl: bridge br100: Resource busy
brctl: bridge br100: Resource busy
RTNETLINK answers: File exists
brctl: bridge br200: File exists
brctl: bridge br200: Resource busy
brctl: bridge br200: Resource busy
Error: ipv4: Address already assigned.
Cannot find device "br200"
RTNETLINK answers: File exists
brctl: bridge br200: File exists
brctl: bridge br200: Resource busy
brctl: bridge br200: Resource busy
Error: ipv4: Address already assigned.
RTNETLINK answers: File exists
brctl: bridge br200: File exists
brctl: bridge br200: Resource busy
brctl: bridge br200: Resource busy
Error: ipv4: Address already assigned.
jynt@jynt-Inspiron-15-3511:~/containerlab/btp/evpn$ ^C

my code is as following

#!/bin/bash

Create VXLAN interfaces and companion bridges for VNI 100 on datacentre1 leaf1

docker exec -it clab-dc-d1l1 ip link add vxlan100 type vxlan id 100 dstport 4789 local 192.168.1.2 nolearning ttl 5
docker exec -it clab-dc-d1l1 brctl addbr br100
docker exec -it clab-dc-d1l1 brctl addif br100 vxlan100
docker exec -it clab-dc-d1l1 brctl stp br100 off
docker exec -it clab-dc-d1l1 ip link set up dev br100
docker exec -it clab-dc-d1l1 ip link set up dev vxlan100
docker exec -it clab-dc-d1l1 brctl addif br100 eth3

docker exec -it clab-dc-d1l1 ip link set br100 addr aa:bb:cc:00:00:01
docker exec -it clab-dc-d1l1 ip addr add 192.168.1.100/24 dev br100

Create VXLAN interfaces and companion bridges for VNI 100 on datacentre1 leaf2

docker exec -it clab-dc-d1l2 ip link add vxlan100 type vxlan id 100 dstport 4789 local 192.168.2.3 nolearning ttl 5
docker exec -it clab-dc-d1l2 brctl addbr br100
docker exec -it clab-dc-d1l2 brctl addif br100 vxlan100
docker exec -it clab-dc-d1l2 brctl stp br100 off
docker exec -it clab-dc-d1l2 ip link set up dev br100
docker exec -it clab-dc-d1l2 ip link set up dev vxlan100
docker exec -it clab-dc-d1l2 brctl addif br100 eth3
docker exec -it clab-dc-d1l2 brctl addif br100 eth4

docker exec -it clab-dc-d1l2 ip link set br100 addr aa:bb:cc:00:00:02
docker exec -it clab-dc-d1l1 ip addr add 192.168.2.100/24 dev br100

Create VXLAN interfaces and companion bridges for VNI 100 on datacentre2 leaf1

docker exec -it clab-dc-d2l2 ip link add vxlan100 type vxlan id 100 dstport 4789 local 192.168.4.2 nolearning ttl 5
docker exec -it clab-dc-d2l2 brctl addbr br100
docker exec -it clab-dc-d2l2 brctl addif br100 vxlan100
docker exec -it clab-dc-d2l2 brctl stp br100 off
docker exec -it clab-dc-d2l2 ip link set up dev br100
docker exec -it clab-dc-d2l2 ip link set up dev vxlan100
docker exec -it clab-dc-d2l2 brctl addif br100 eth3

docker exec -it clab-dc-d2l2 ip link set br100 addr aa:bb:cc:00:00:04
docker exec -it clab-dc-d1l1 ip addr add 192.168.4.100/24 dev br100

Create VXLAN interfaces and companion bridges for VNI 100 on datacentre2 leaf2

docker exec -it clab-dc-d2l2 ip link add vxlan100 type vxlan id 100 dstport 4789 local 192.168.5.3 nolearning ttl 5
docker exec -it clab-dc-d2l2 brctl addbr br100
docker exec -it clab-dc-d2l2 brctl addif br100 vxlan100
docker exec -it clab-dc-d2l2 brctl stp br100 off
docker exec -it clab-dc-d2l2 ip link set up dev br100
docker exec -it clab-dc-d2l2 ip link set up dev vxlan100
docker exec -it clab-dc-d2l2 brctl addif br100 eth3

docker exec -it clab-dc-d2l2 ip link set br100 addr aa:bb:cc:00:00:05

docker exec -it clab-dc-d2l2 ip link add vxlan200 type vxlan id 200 dstport 4789 local 192.168.5.3 nolearning ttl 5
docker exec -it clab-dc-d2l2 brctl addbr br200
docker exec -it clab-dc-d2l2 brctl addif br200 vxlan200
docker exec -it clab-dc-d2l2 brctl stp br200 off
docker exec -it clab-dc-d2l2 ip link set up dev br200
docker exec -it clab-dc-d2l2 ip link set up dev vxlan200
docker exec -it clab-dc-d2l2 brctl addif br200 eth4

docker exec -it clab-dc-d2l2 ip link set br200 addr aa:bb:cc:00:00:06

docker exec -it clab-dc-d1l2 ip addr add 192.168.5.100/24 dev br100
docker exec -it clab-dc-d1l2 ip addr add 192.168.5.100/24 dev br200

# Create VXLAN interfaces and companion bridges for VNI 200 on dc1 leaf2

docker exec -it clab-dc-d1l2 ip link add vxlan200 type vxlan id 200 dstport 4789 local 1.1.1.12 nolearning ttl 5

docker exec -it clab-dc-d1l2 brctl addbr br102

docker exec -it clab-dc-d1l2 brctl addif br102 vxlan200

docker exec -it clab-dc-d1l2 brctl stp br102 off

docker exec -it clab-dc-d1l2 ip link set up dev br102

docker exec -it clab-dc-d1l2 ip link set up dev vxlan200

docker exec -it clab-dc-d1l2 brctl addif br102 eth4

docker exec -it clab-dc-d1l2 ip link set br102 addr aa:bb:cc:00:00:05

docker exec -it clab-dc-d1l2 ip addr add 192.168.1.100/24 dev br102

# Create VXLAN interfaces and companion bridges for VNI 400 on dc2 leaf2

docker exec -it clab-dc-d2l2 ip link add vxlan400 type vxlan id 400 dstport 4789 local 1.1.1.22 nolearning ttl 5

docker exec -it clab-dc-d2l2 brctl addbr br202

docker exec -it clab-dc-d2l2 brctl addif br202 vxlan400

docker exec -it clab-dc-d2l2 brctl stp br202 off

docker exec -it clab-dc-d2l2 ip link set up dev br202

docker exec -it clab-dc-d2l2 ip link set up dev vxlan400

docker exec -it clab-dc-d2l2 brctl addif br202 eth4

docker exec -it clab-dc-d2l2 ip link set br202 addr aa:bb:cc:00:00:06

docker exec -it clab-dc-d2l2 ip addr add 192.168.2.103/24 dev br202

Create VXLAN interfaces and companion bridges for VNI 300 on dc1 leaf3

docker exec -it clab-dc-d1l3 ip link add vxlan200 type vxlan id 200 dstport 4789 local 192.168.3.2 nolearning ttl 5
docker exec -it clab-dc-d1l3 brctl addbr br200
docker exec -it clab-dc-d1l3 brctl addif br200 vxlan200
docker exec -it clab-dc-d1l3 brctl stp br200 off
docker exec -it clab-dc-d1l3 ip link set up dev br200
docker exec -it clab-dc-d1l3 ip link set up dev vxlan200
docker exec -it clab-dc-d1l3 brctl addif br200 eth3

docker exec -it clab-dc-d1l3 ip link set br200 addr aa:bb:cc:00:00:03
docker exec -it clab-dc-d1l3 ip addr add 192.168.3.100/24 dev br200

Create VXLAN interfaces and companion bridges for VNI 500 on dc2 leaf3

docker exec -it clab-dc-d1l3 ip link add vxlan200 type vxlan id 200 dstport 4789 local 192.168.6.2 nolearning ttl 5
docker exec -it clab-dc-d1l3 brctl addbr br200
docker exec -it clab-dc-d1l3 brctl addif br200 vxlan200
docker exec -it clab-dc-d1l3 brctl stp br200 off
docker exec -it clab-dc-d1l3 ip link set up dev br200
docker exec -it clab-dc-d1l3 ip link set up dev vxlan200
docker exec -it clab-dc-d1l3 brctl addif br200 eth3

docker exec -it clab-dc-d1l3 ip link set br200 addr aa:bb:cc:00:00:07
docker exec -it clab-dc-d1l3 ip addr add 192.168.6.100/24 dev br200

pls help how to solve