Can't bind obfs-local port

[cnjax]

os:synology server DS3617xs DSM-6.17-15284 update3 Docker version:17.05.0-0401

docker run -it -d --name test mritd/shadowsocks:latest
-m "ss-local" -s "-s serverip -p serverport -b 0.0.0.0 -l 10080 -m chacha20-ietf-poly1305 -k secure --fast-open --plugin obfs-local --plugin-opts obfs=tls"

2019-08-03 12:29:11 INFO: plugin "obfs-local" enabled 2019-08-03 12:29:11 INFO: using tcp fast open 2019-08-03 12:29:11 INFO: initializing ciphers... chacha20-ietf-poly1305 2019-08-03 12:29:11 INFO: listening at 0.0.0.0:10080 2019-08-03 12:29:11 INFO: running from root user 2019-08-03 12:29:11 [simple-obfs] INFO: using tcp fast open 2019-08-03 12:29:11 [simple-obfs] INFO: obfuscating enabled 2019-08-03 12:29:11 [simple-obfs] INFO: obfuscation http method: GET 2019-08-03 12:29:11 [simple-obfs] INFO: tcp port reuse enabled 2019-08-03 12:29:11 [simple-obfs] ERROR: bind: Address not available 2019-08-03 12:29:11 [simple-obfs] ERROR: Could not bind 2019-08-03 12:29:11 [simple-obfs] ERROR: bind() error 2019-08-03 12:29:11 ERROR: plugin service exit unexpectedly

docker can't bind obfs local port when I am using ss-local+obfs-local Can you help me ,Thank you.