#User gerben is still in location table ... no problem
 2(12715) registered(): usrloc domain is #location#
 2(12715) TOI: rewrite_uri: Rewriting Request-URI with 'sip:gerben@192.0.2.250:5062;transport=udp'
 2(12715) LOG: lookup location is TRUE
 2(12715) registered(): usrloc domain is #location#
 2(12715) registered(): 'gerben' found in usrloc

 #User gerben de-registers ... it gets marked as CS_ZOMBIE_S,
 #and after a while, it is deleted. But, meanwhile it receives an INVITE,
 #this is the log
 2(12715) registered(): usrloc domain is #aliases#
 2(12715) lookup(): 'gerben' Not found in usrloc
 2(12715) lookup()(): usrloc domain is #location#
 2(12715) LOG: lookup location is FALSE
 2(12715) registered(): usrloc domain is #location#
 2(12715) registered(): 'gerben' found in usrloc

 
 5(12718) removing spare zombie (wt) 'gerben','sip:gerben@192.0.2.250:5062;transport=udp'
 5(12718) DBT:dbt_delete: deleting a row!