Neo*_*Neo 4 docker docker-networking docker-network
命令docker create network mynetwork给了我以下错误响应：
Error response from daemon: could not find an available, non-overlapping IPv4 address pool among the defaults to assign to the network
我用谷歌搜索了这个错误，但这些解决方案都不起作用：
docker network prune没什么区别。这是有关我的服务器环境的一些信息。操作系统：
LSB Version: :core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch
Distributor ID: CentOS
Description: CentOS release 6.3 (Final)
Release: 6.3
Codename: Final
核心：
Linux xxx.com 3.10.0_3-0-0-17 #181 SMP Thu Feb 8 16:34:08 CST 2018 x86_64 x86_64 x86_64 GNU/Linux
码头工人：
Client:
Version: 18.03.0-ce
API version: 1.37
Go version: go1.9.2
Git commit: 0520e24
Built: Wed Mar 21 23:05:52 2018
OS/Arch: linux/amd64
Experimental: false
Orchestrator: swarm
Server:
Engine:
Version: 18.03.0-ce
API version: 1.37 (minimum version 1.12)
Go version: go1.9.4
Git commit: 0520e24
Built: Wed Mar 21 23:14:54 2018
OS/Arch: linux/amd64
Experimental: false
执行时 Docker 守护进程的日志输出docker network create：
time="2018-04-02T14:46:15.280752033+08:00" level=debug msg="Calling POST /v1.37/networks/create"
time="2018-04-02T14:46:15.280955481+08:00" level=debug msg="form data: {\"Attachable\":false,\"CheckDuplicate\":true,\"ConfigFrom\":null,\"ConfigOnly\":false,\"Driver\":\"bridge\",\"EnableIPv6\":false,\"IPAM\":{\"Config\":[],\"Driver\":\"default\",\"Options\":{}},\"Ingress\":false,\"Internal\":false,\"Labels\":{},\"Name\":\"abcd\",\"Options\":{},\"Scope\":\"\"}"
time="2018-04-02T14:46:15.281417190+08:00" level=debug msg="Allocating IPv4 pools for network abcd (0b9717a7272a4c8782c49fa566d7e6a06704c0d085e6389e942998fbe97462a6)"
time="2018-04-02T14:46:15.281444055+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.281485165+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.281508839+08:00" level=debug msg="Received set for ordinal 65535, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.281710387+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.281736496+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.281750737+08:00" level=debug msg="Received set for ordinal 65535, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.281845693+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.281870666+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.281884536+08:00" level=debug msg="Received set for ordinal 65535, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.281978263+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.282003622+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.282017850+08:00" level=debug msg="Received set for ordinal 65535, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.282100720+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.282126269+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.282139742+08:00" level=debug msg="Received set for ordinal 65535, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.282231487+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.282257877+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.282271266+08:00" level=debug msg="Received set for ordinal 65535, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.282400372+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.282428023+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.282442208+08:00" level=debug msg="Received set for ordinal 65535, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.282535390+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.282567708+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.282581458+08:00" level=debug msg="Received set for ordinal 65535, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.282665177+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.282693288+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.282706401+08:00" level=debug msg="Received set for ordinal 65535, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.282801403+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.282830506+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.282843584+08:00" level=debug msg="Received set for ordinal 65535, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.282930538+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.282960034+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.282972907+08:00" level=debug msg="Received set for ordinal 65535, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.283059526+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.283088441+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.283101529+08:00" level=debug msg="Received set for ordinal 65535, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.283189181+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.283224740+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.283238227+08:00" level=debug msg="Received set for ordinal 65535, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.283332740+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.283365026+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.283379846+08:00" level=debug msg="Received set for ordinal 65535, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.283460062+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.283491194+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.283504728+08:00" level=debug msg="Received set for ordinal 65535, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.283588953+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.283622415+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.283643410+08:00" level=debug msg="Received set for ordinal 4095, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.283729518+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.283765598+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.283780273+08:00" level=debug msg="Received set for ordinal 4095, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.283859445+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.283893519+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.283909058+08:00" level=debug msg="Received set for ordinal 4095, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.283993771+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.284028573+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.284041138+08:00" level=debug msg="Received set for ordinal 4095, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.284128998+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.284170756+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.284185810+08:00" level=debug msg="Received set for ordinal 4095, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.284263887+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.284303373+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.284316600+08:00" level=debug msg="Received set for ordinal 4095, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.284397202+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.284436789+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.284449960+08:00" level=debug msg="Received set for ordinal 4095, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.284526967+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.284567439+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.284580543+08:00" level=debug msg="Received set for ordinal 4095, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.284662281+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.284703475+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.284716169+08:00" level=debug msg="Received set for ordinal 4095, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.284794971+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.284835314+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.284848272+08:00" level=debug msg="Received set for ordinal 4095, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.284926857+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.284976293+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.284996202+08:00" level=debug msg="Received set for ordinal 4095, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.285094175+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.285155415+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.285171491+08:00" level=debug msg="Received set for ordinal 4095, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.285267913+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.285314698+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.285327856+08:00" level=debug msg="Received set for ordinal 4095, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.285419681+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.285463945+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.285476909+08:00" level=debug msg="Received set for ordinal 4095, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.285565520+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.285614270+08:00" level=debug msg="Received set for ordinal 0, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.285631714+08:00" level=debug msg="Received set for ordinal 4095, start 0, end 0, any false, release false, serial:false curr:0 \n"
time="2018-04-02T14:46:15.285716032+08:00" level=debug msg="RequestPool(LocalDefault, , , map[], false)"
time="2018-04-02T14:46:15.285760262+08:00" level=debug msg="ReleasePool(LocalDefault/192.168.240.0/20)"
time="2018-04-02T14:46:15.285778212+08:00" level=debug msg="ReleasePool(LocalDefault/192.168.224.0/20)"
time="2018-04-02T14:46:15.285790635+08:00" level=debug msg="ReleasePool(LocalDefault/192.168.208.0/20)"
time="2018-04-02T14:46:15.285802203+08:00" level=debug msg="ReleasePool(LocalDefault/192.168.192.0/20)"
time="2018-04-02T14:46:15.285813998+08:00" level=debug msg="ReleasePool(LocalDefault/192.168.176.0/20)"
time="2018-04-02T14:46:15.285825543+08:00" level=debug msg="ReleasePool(LocalDefault/192.168.160.0/20)"
time="2018-04-02T14:46:15.285836927+08:00" level=debug msg="ReleasePool(LocalDefault/192.168.144.0/20)"
time="2018-04-02T14:46:15.285848868+08:00" level=debug msg="ReleasePool(LocalDefault/192.168.128.0/20)"
time="2018-04-02T14:46:15.285860012+08:00" level=debug msg="ReleasePool(LocalDefault/192.168.112.0/20)"
time="2018-04-02T14:46:15.285871053+08:00" level=debug msg="ReleasePool(LocalDefault/192.168.80.0/20)"
time="2018-04-02T14:46:15.285882613+08:00" level=debug msg="ReleasePool(LocalDefault/192.168.64.0/20)"
time="2018-04-02T14:46:15.285894331+08:00" level=debug msg="ReleasePool(LocalDefault/192.168.48.0/20)"
time="2018-04-02T14:46:15.285906570+08:00" level=debug msg="ReleasePool(LocalDefault/192.168.32.0/20)"
time="2018-04-02T14:46:15.285917790+08:00" level=debug msg="ReleasePool(LocalDefault/192.168.16.0/20)"
time="2018-04-02T14:46:15.285930785+08:00" level=debug msg="ReleasePool(LocalDefault/192.168.0.0/20)"
time="2018-04-02T14:46:15.285942133+08:00" level=debug msg="ReleasePool(LocalDefault/172.31.0.0/16)"
time="2018-04-02T14:46:15.285953628+08:00" level=debug msg="ReleasePool(LocalDefault/172.30.0.0/16)"
time="2018-04-02T14:46:15.285965120+08:00" level=debug msg="ReleasePool(LocalDefault/172.29.0.0/16)"
time="2018-04-02T14:46:15.285975972+08:00" level=debug msg="ReleasePool(LocalDefault/172.28.0.0/16)"
time="2018-04-02T14:46:15.285986956+08:00" level=debug msg="ReleasePool(LocalDefault/172.27.0.0/16)"
time="2018-04-02T14:46:15.285997910+08:00" level=debug msg="ReleasePool(LocalDefault/172.26.0.0/16)"
time="2018-04-02T14:46:15.286015087+08:00" level=debug msg="ReleasePool(LocalDefault/172.25.0.0/16)"
time="2018-04-02T14:46:15.286026575+08:00" level=debug msg="ReleasePool(LocalDefault/172.24.0.0/16)"
time="2018-04-02T14:46:15.286037792+08:00" level=debug msg="ReleasePool(LocalDefault/172.23.0.0/16)"
time="2018-04-02T14:46:15.286049714+08:00" level=debug msg="ReleasePool(LocalDefault/172.22.0.0/16)"
time="2018-04-02T14:46:15.286063811+08:00" level=debug msg="ReleasePool(LocalDefault/172.21.0.0/16)"
time="2018-04-02T14:46:15.286076360+08:00" level=debug msg="ReleasePool(LocalDefault/172.20.0.0/16)"
time="2018-04-02T14:46:15.286087965+08:00" level=debug msg="ReleasePool(LocalDefault/172.19.0.0/16)"
time="2018-04-02T14:46:15.286099514+08:00" level=debug msg="ReleasePool(LocalDefault/172.18.0.0/16)"
time="2018-04-02T14:46:15.286110733+08:00" level=debug msg="ReleasePool(LocalDefault/172.17.0.0/16)"
感谢你的帮助！
the defaults部分错误是指docker 正在使用的31 个预定地址范围，除非您--subnet在运行命令时指定选项（在这种情况下错误会消失）：
$ docker network create abcd --subnet 172.17.0.0/16
Docker 守护进程的日志输出表明它实际上正在尝试分配这 31 个默认子网中的几乎每一个。该分配可能失败的原因只有两个。
如果您的 DNS 服务器属于该子网，Docker 将不会使用默认子网。显然，这不太可能是问题，但我们仍然可以通过配置一些（虚拟）名称服务器来重现您的错误，每个 31 个默认子网一个：
$ cat /etc/resolv.conf
nameserver 172.17.0.1
nameserver 172.18.0.1
nameserver 172.19.0.1
nameserver 172.20.0.1
nameserver 172.21.0.1
nameserver 172.22.0.1
nameserver 172.23.0.1
nameserver 172.24.0.1
nameserver 172.25.0.1
nameserver 172.26.0.1
nameserver 172.27.0.1
nameserver 172.28.0.1
nameserver 172.29.0.1
nameserver 172.30.0.1
nameserver 172.31.0.1
nameserver 192.168.0.1
nameserver 192.168.16.1
nameserver 192.168.32.1
nameserver 192.168.48.1
nameserver 192.168.64.1
nameserver 192.168.80.1
nameserver 192.168.96.1
nameserver 192.168.112.1
nameserver 192.168.128.1
nameserver 192.168.144.1
nameserver 192.168.160.1
nameserver 192.168.176.1
nameserver 192.168.192.1
nameserver 192.168.208.1
nameserver 192.168.224.1
nameserver 192.168.240.1
$ docker network create abcd
Error response from daemon: could not find an available, non-overlapping IPv4 address pool among the defaults to assign to the network
阅读本文的 Ubuntu 用户可以对/run/systemd/resolve/resolv.conf.
Docker 官方文档指向一篇文章（UPD：缓存页面），它说
默认情况下，网桥从范围 172.[17-31].0.0/16 或 192.168.[0-256].0/20 中分配了一个子网，该子网不与任何现有主机接口重叠。
这意味着，就像使用名称服务器一样，我们可以通过将一些与所有 31 个默认子网匹配的（虚拟）路由添加到我们的路由表中来重现您的错误：
$ ip route add 172.16.0.0/12 dev lo
$ ip route add 192.168.0.0/16 dev lo
$ docker network create abcd
Error response from daemon: could not find an available, non-overlapping IPv4 address pool among the defaults to assign to the network
在您的情况下，很可能ip route需要出于两个目的分析输出：
172.[17-31].0.0/16或冲突的不必要的路由192.168.[0-256].0/20--subnet选项一起使用。这个范围应该位于专用网络内10.0.0.0/8，172.16.0.0/12或192.168.0.0/16按照RFC-1918，如果主机连接到互联网其余的与 OP 无关，但可能对来自搜索的用户有所帮助
--redirect-gateway def1设置选项（或从 VPN 服务器推送）后，OpenVPN 将添加 IP 路由0.0.0.0/1并添加128.0.0.0/1到路由表中。并且因为这两个子网与任何可能的子网重叠，这将导致有问题的错误。
可以通过使用--redirect-gateway（不带标志）选项来避免这种情况（--pull-filter ignore "redirect-gateway def1"如果从 VPN 服务器推送原始选项，则结合使用）。
这是（粗略地说）中的--subnet 172.17.0.0/16选项的等价物docker-compose.yml：
networks:
default:
ipam:
config:
- subnet: 172.17.0.0/16
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