Looks like SG.GS stopped their guard relays. They had >3% guard probability.
+-------+------------+------------------------------------------+ | Con5 | lastseen | fingerprint | +-------+------------+------------------------------------------+ | SG.GS | 2016-02-22 | 675C5A2C2EC403B6B583735191042CF489D4E5DA | | SG.GS | 2016-02-22 | C3D51AAF129FED507053244ADA29353D01AD5C90 | | SG.GS | 2016-02-22 | B9B927347E005256D5D48007C38208FE8F7CC3BE | | SG.GS | 2016-02-22 | 075A4D8D7662DF566FCE390FC820C539BFBBA867 | | SG.GS | 2016-02-22 | 53E2060F64DF258597E738FD5608D2939B92BC1D | | SG.GS | 2016-02-22 | 963ADC0137505151C1AFA6757DD2367EDEEC7B62 | | SG.GS | 2016-02-22 | B4697BA6520A17A7F51E613018754BA5FD46D0A0 | | SG.GS | 2016-02-22 | 951BDBA042A69FE8577129EA301B027A879B985B | | SG.GS | 2016-02-22 | D905EEADE0A40C7C0E6A8102708CF16AB8ED9A35 | | SG.GS | 2016-02-22 | 593B6169DA24F3835F0B485317C0DB529B8F3E58 | | SG.GS | 2016-02-22 | 0519D312F1BD9668B3B43751E0934911E4C79C79 | | SG.GS | 2016-02-22 | D9BFC55DDD8152F06D87C9DA7D192E86FC628626 | | SG.GS | 2016-02-22 | 38F423A4320380FFE32DB60B72E7457CD6E3F096 | +-------+------------+------------------------------------------+