./adnshost default -f

 start 969123801.904882
 socket type=SOCK_DGRAM
 socket=6
 +0.000156
 fcntl fd=6 cmd=F_GETFL
 fcntl=~O_NONBLOCK&...
 +0.000057
 fcntl fd=6 cmd=F_SETFL O_NONBLOCK|...
 fcntl=OK
 +0.000035
 select max=7 rfds=[0,6] wfds=[] efds=[] to=null
 select=1 rfds=[0] wfds=[] efds=[]
 +4.-792858
 read fd=0 buflen=40
 read=OK
     63686961 726b2e67 7265656e 656e642e 6f72672e 756b0a.
 +0.000235
 sendto fd=6 addr=172.18.45.6:53
     311f0100 00010000 00000000 06636869 61726b08 67726565 6e656e64 036f7267
     02756b00 00010001.
 sendto=40
 +0.000847
 select max=7 rfds=[0,6] wfds=[] efds=[] to=1.999153
 select=1 rfds=[6] wfds=[] efds=[]
 +0.000140
 recvfrom fd=6 buflen=512 *addrlen=16
 recvfrom=OK addr=172.18.45.6:53
     311f8580 00010001 00020002 06636869 61726b08 67726565 6e656e64 036f7267
     02756b00 00010001 c00c0001 00010001 51800004 c3e04c84 08677265 656e656e
     64036f72 6702756b 00000200 01000151 80001103 6e73300a 72656c61 74697669
     7479c038 c0380002 00010001 51800006 036e7331 c057c053 00010001 00015180
     0004ac12 2d06c070 00010001 00015180 0004ac12 2d01.
 +0.000548
 recvfrom fd=6 buflen=512 *addrlen=16
 recvfrom=EAGAIN
 +0.000184
 select max=7 rfds=[0,6] wfds=[] efds=[] to=null
 select=1 rfds=[0] wfds=[] efds=[]
 +0.715699
 read fd=0 buflen=40
 read=OK
     .
 +0.000090
 close fd=6
 close=OK
 +0.000134