tried to run it and ran into that issue:

[gregory]

TypeError: Cannot read property 'rx_bytes' of undefined
    at NetworkIO.update (/usr/src/widgets/network.js:24:47)
    at /usr/src/index.js:217:45
    at Array.map (native)
    at /usr/src/index.js:217:22
    at Request.<anonymous> (/usr/src/utils/index.js:49:14)
    at emitOne (events.js:77:13)
    at Request.emit (events.js:166:7)
    at IncomingMessage.<anonymous> (/usr/src/node_modules/request/request.js:1184:12)
    at emitOne (events.js:77:13)
    at IncomingMessage.emit (events.js:166:7)

[jackkav]

+1

[aholbreich]

Same for me+

[wziyong]

+1

[macint0sh]

For me also. +1

[referup-amontero]

Same here:

$ docker version
Client:
 Version:      1.9.1
 API version:  1.21
 Go version:   go1.4.2
 Git commit:   a34a1d5
 Built:        Fri Nov 20 13:12:04 UTC 2015
 OS/Arch:      linux/amd64

Server:
 Version:      1.9.1
 API version:  1.21
 Go version:   go1.4.2
 Git commit:   a34a1d5
 Built:        Fri Nov 20 13:12:04 UTC 2015
 OS/Arch:      linux/amd64

[tywkeene]

Yep, +1

git commit 75f4f25

Client:
Version: 1.10.2
API version: 1.22
Go version: go1.5.3
Git commit: c3959b1
Built: Thu Feb 25 09:29:05 2016
OS/Arch: linux/amd64

Server:
Version: 1.10.2
API version: 1.22
Go version: go1.5.3
Git commit: c3959b1
Built: Thu Feb 25 09:29:05 2016
OS/Arch: linux/amd64

[petmakris]

+1

[sschimmel]

+1

Client:
Version: 1.10.3
API version: 1.22
Go version: go1.5.3
Git commit: 20f81dd
Built: Thu Mar 10 15:54:52 2016
OS/Arch: linux/amd64

Server:
Version: 1.10.3
API version: 1.22
Go version: go1.5.3
Git commit: 20f81dd
Built: Thu Mar 10 15:54:52 2016
OS/Arch: linux/amd64

[vicentedealencar]

I managed to fix that locally changing statItem.network.rx_bytes here to statItem.networks.eth0.rx_bytes (same for following lines)

All I did was add console.log(statItem) before the breaking line, if networks.eth0 do not work for you try that.