Steps to reproduce:

• disconnect network
• start steam
• select Start in Offline Mode in popup

Expected result:

• Steam starts in offline mode

Result:

• Steam displays "Connecting Steam account" and closes after ~2 min

System information:
Processor Information:
Vendor: GenuineIntel
CPU Family: 0x6
CPU Model: 0x3a
CPU Stepping: 0x9
CPU Type: 0x0
Speed: 3100 Mhz
4 logical processors
2 physical processors
HyperThreading: Supported
FCMOV: Supported
SSE2: Supported
SSE3: Supported
SSSE3: Supported
SSE4a: Unsupported
SSE41: Supported
SSE42: Supported

Network Information:
Network Speed:

Operating System Version:
"Arch Linux" (64 bit)
Kernel Name: Linux
Kernel Version: 4.2.5-1-ARCH
X Server Vendor: The X.Org Foundation
X Server Release: 11800000
X Window Manager: i3
Steam Runtime Version: steam-runtime-release_2015-06-12

Video Card:
Driver: Intel Open Source Technology Center Mesa DRI Intel(R) Ivybridge Mobile x86/MMX/SSE2

Driver Version:  3.0 Mesa 11.0.7
OpenGL Version: 3.0
Desktop Color Depth: 24 bits per pixel
Monitor Refresh Rate: 60 Hz
VendorID:  0x8086
DeviceID:  0x166
Number of Monitors:  1
Number of Logical Video Cards:  1
Primary Display Resolution:  1920 x 1080
Desktop Resolution: 1920 x 1080
Primary Display Size: 23.54" x 13.23"  (26.97" diag)
                                        59.8cm x 33.6cm  (68.5cm diag)
Primary VRAM Not Detected

Sound card:
Audio device:

Memory:
RAM: 7868 Mb

Miscellaneous:
UI Language: English
LANG: en_US.UTF-8
Microphone: Not set
Total Hard Disk Space Available: 209407 Mb
Largest Free Hard Disk Block: 39933 Mb

Installed software:

Recent Failure Reports: