1915937 - Address family not supported by protocol

• The system cannot start, sapcontrol command fails with error:
  
  FAIL: NIEHOST_UNKNOWN (Address family not supported by protocol),
  NiRawConnect failed in plugin_fopen()
  
  
• The dev_disp trace file may contain:
  
  *** ERROR => NiPGetHostByName: invalid family NNNNN [niuxi.c 1954]
  *** ERROR => NiHLGetNodeAddr: NiPGetHostByName failed (rc=-1) [nixxhl.cpp 279]
  *** ERROR => NiGetLoopbackAddr: NiIGetNodeAddr failed (rc=-2) [nixx.c 2180]
  
  *** ERROR => NiDgHdlBindName: invalid hostname 'localhost' (rc=-2;hdl 1) [nixx.c 4341]
  *** ERROR => DpCommInit: NiDgHdlBindName failed: -8 [dpxxdisp.c 10339]
  *** DP_FATAL_ERROR => DpSapEnvInit: DpCommInit
  *** DISPATCHER EMERGENCY SHUTDOWN ***
  
  
• Niping selftest "niping -t -H <hostname of localhost>" fails with error:
  *** ERROR => NiPGetHostByName: invalid family NNNNN                [niuxi.c      1954]
  *** ERROR => NiHLGetNodeAddr: NiPGetHostByName failed (rc=-1) [nixxhl.cpp   269]
  *** ERROR => NiGetLoopbackAddr: NiIGetNodeAddr failed (rc=-2)   [nixx.c       2180]

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