flannel errors

I1013 07:48:58.902691 15026 main.go:229] Installing signal handlers
I1013 07:48:58.903004 15026 main.go:111] Determining IP address of default interface
I1013 07:48:58.903515 15026 main.go:186] Using 198.50.157.41 as external interface
E1013 07:48:58.904170 15026 subnet.go:112] Error parsing subnet lease JSON: unexpected end of JSON input
E1013 07:48:58.904239 15026 subnet.go:112] Error parsing subnet lease JSON: unexpected end of JSON input
I1013 07:48:58.958142 15026 subnet.go:80] Subnet lease acquired: 10.0.55.0/24
I1013 07:48:58.960000 15026 main.go:197] UDP mode initialized
I1013 07:48:58.963292 15026 udp.go:238] Watching for new subnet leases
I1013 07:48:58.963840 15026 udp.go:263] Subnet added: 10.0.31.0/24
E1013 07:48:58.964430 15026 udp.go:267] Error decoding subnet lease JSON: unexpected end of JSON input
I1013 07:48:58.964480 15026 udp.go:263] Subnet added: 10.0.68.0/24
E1013 07:48:58.964519 15026 udp.go:267] Error decoding subnet lease JSON: unexpected end of JSON input
I1013 07:48:58.964563 15026 udp.go:263] Subnet added: 10.0.3.0/24
I1013 07:48:58.964611 15026 udp.go:270] attrs: {198.50.157.40}
E1013 07:53:58.965439 15026 subnet.go:350] Watch of subnet leases failed: 501: All the given peers are not reachable (Tried to connect to each peer twice and failed) [0]
E1013 07:58:59.969191 15026 subnet.go:350] Watch of subnet leases failed: 501: All the given peers are not reachable (Tried to connect to each peer twice and failed) [0]
W1013 07:59:00.970602 15026 subnet.go:385] Watch of subnet leases failed because etcd index outside history window
I1013 07:59:00.971513 15026 udp.go:275] Subnet removed: 10.0.55.0/24
E1013 08:04:00.972028 15026 subnet.go:350] Watch of subnet leases failed: 501: All the given peers are not reachable (Tried to connect to each peer twice and failed) [0]
W1013 08:04:01.973010 15026 subnet.go:385] Watch of subnet leases failed because etcd index outside history window
I1013 08:04:01.973705 15026 udp.go:275] Subnet removed: 10.0.55.0/24