swarm join error - Githubissues

ubuntu@swarm-1:~$ sudo docker -H tcp://10.101.0.21:4000 info
Containers: 0
 Running: 0
 Paused: 0
 Stopped: 0
Images: 0
Server Version: swarm/1.2.5
Role: replica
Primary: 10.101.0.22:4000
Strategy: spread
Filters: health, port, containerslots, dependency, affinity, constraint
Nodes: 2
 (unknown): 10.101.0.24:2375
  └ ID:
  └ Status: Pending
  └ Containers: 0
  └ Reserved CPUs: 0 / 0
  └ Reserved Memory: 0 B / 0 B
  └ Labels:
  └ UpdatedAt: 2016-11-23T09:55:09Z
  └ ServerVersion:
 (unknown): 10.101.0.25:2375
  └ ID:
  └ Status: Pending
  └ Containers: 0
  └ Reserved CPUs: 0 / 0
  └ Reserved Memory: 0 B / 0 B
  └ Labels:
  └ UpdatedAt: 2016-11-23T09:55:09Z
  └ ServerVersion:
Plugins:
 Volume:
 Network:
Swarm:
 NodeID:
 Is Manager: false
 Node Address:
Security Options:
Kernel Version: 3.13.0-92-generic
Operating System: linux
GunSik2 / experiments

swarm join error #1
