address,duid,valid_lifetime,expire,subnet_id,pref_lifetime,lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,state,hwaddr,hwtype,hwaddr_source,user_context
10,20,30,<timestamp1>,40,50,IA_TA,60,70,1,1,one.example.com,default,80,90,HWADDR_SOURCE_REMOTE_ID,
11,,30,<timestamp2>,40,50,IA_TA,60,70,1,1,,declined,80,90,HWADDR_SOURCE_RAW,
12,21,30,<timestamp3>,40,50,IA_TA,60,70,1,1,three.example.com,expired-reclaimed,80,90,HWADDR_SOURCE_DUID,