Port allocation failed, retrying.

[JamesNyamu]

consul_1 | ==> Starting Consul agent...
consul_1 | ==> Starting Consul agent RPC...
consul_1 | ==> Consul agent running!
consul_1 | Version: 'v0.7.5'
consul_1 | Node ID: '50357575-f0d8-4cb5-bbd6-f855776d999a'
consul_1 | Node name: '9ce5af27ecef'
consul_1 | Datacenter: 'dc1'
consul_1 | Server: true (bootstrap: false)
consul_1 | Client Addr: 0.0.0.0 (HTTP: 8500, HTTPS: -1, DNS: 8600, RPC: 8400)
consul_1 | Cluster Addr: 127.0.0.1 (LAN: 8301, WAN: 8302)
consul_1 | Gossip encrypt: false, RPC-TLS: false, TLS-Incoming: false
consul_1 | Atlas:
consul_1 |
consul_1 | ==> Log data will now stream in as it occurs:
consul_1 |
consul_1 | 2017/03/29 21:48:37 [DEBUG] Using unique ID "50357575-f0d8-4cb5-bbd6-f855776d999a" from host as node ID
consul_1 | 2017/03/29 21:48:37 [INFO] raft: Initial configuration (index=1): [{Suffrage:Voter ID:127.0.0.1:8300 Address:127.0.0.1:8300}]
consul_1 | 2017/03/29 21:48:38 [INFO] raft: Node at 127.0.0.1:8300 [Follower] entering Follower state (Leader: "")
consul_1 | 2017/03/29 21:48:38 [INFO] serf: EventMemberJoin: 9ce5af27ecef 127.0.0.1
consul_1 | 2017/03/29 21:48:38 [INFO] consul: Adding LAN server 9ce5af27ecef (Addr: tcp/127.0.0.1:8300) (DC: dc1)
consul_1 | 2017/03/29 21:48:38 [INFO] serf: EventMemberJoin: 9ce5af27ecef.dc1 127.0.0.1
consul_1 | 2017/03/29 21:48:38 [INFO] consul: Adding WAN server 9ce5af27ecef.dc1 (Addr: tcp/127.0.0.1:8300) (DC: dc1)
consul_1 | 2017/03/29 21:48:43 [WARN] raft: Heartbeat timeout from "" reached, starting election
consul_1 | 2017/03/29 21:48:43 [INFO] raft: Node at 127.0.0.1:8300 [Candidate] entering Candidate state in term 2
consul_1 | 2017/03/29 21:48:43 [DEBUG] raft: Votes needed: 1
consul_1 | 2017/03/29 21:48:43 [DEBUG] raft: Vote granted from 127.0.0.1:8300 in term 2. Tally: 1
consul_1 | 2017/03/29 21:48:43 [INFO] raft: Election won. Tally: 1
consul_1 | 2017/03/29 21:48:43 [INFO] raft: Node at 127.0.0.1:8300 [Leader] entering Leader state
consul_1 | 2017/03/29 21:48:43 [INFO] consul: cluster leadership acquired
consul_1 | 2017/03/29 21:48:43 [DEBUG] consul: reset tombstone GC to index 3
consul_1 | 2017/03/29 21:48:43 [INFO] consul: New leader elected: 9ce5af27ecef
consul_1 | 2017/03/29 21:48:43 [INFO] consul: member '9ce5af27ecef' joined, marking health alive
consul_1 | 2017/03/29 21:48:43 [INFO] agent: Synced service 'consul'
consul_1 | 2017/03/29 21:48:43 [DEBUG] agent: Node info in sync
consul_1 | ==> Failed to check for updates: Get https://checkpoint-api.hashicorp.com/v1/check/consul?arch=amd64&os=windows&signature=&version=0.7.5: dial tcp: lookup checkpoint-api.hashicorp.com: getaddrinfow: No such host is known.
usermanagementwebservice_1 | Configuration Result:
usermanagementwebservice_1 | [Success] Name UserManagementService
usermanagementwebservice_1 | [Success] DisplayName User Management Service
usermanagementwebservice_1 | [Success] Description Service endpoint to serve requests for user management
usermanagementwebservice_1 | [Success] ServiceName UserManagementService
usermanagementwebservice_1 | Topshelf v4.0.0.0, .NET Framework v4.0.30319.42000
usermanagementwebservice_1 | Port allocation failed, retrying.
usermanagementwebservice_1 | Port allocation failed, retrying.
usermanagementwebservice_1 | Port allocation failed, retrying.

Am trying to run a nancyfx self host in a docker container but it fails to register with the consul agent.