4 socket domain=PF_INET type=SOCK_DGRAM
10 fcntl fd=6 cmd=F_SETFL O_NONBLOCK|...
13 select max=7 rfds=[0,6] wfds=[] efds=[] to=null
14 select=1 rfds=[0] wfds=[] efds=[]
18 2d2d6173 796e6368 2d696420 34320a.
20 select max=7 rfds=[0,6] wfds=[] efds=[] to=null
21 select=1 rfds=[0] wfds=[] efds=[]
25 63686961 726b2e67 7265656e 656e642e 6f72672e 756b0a.
27 sendto fd=6 addr=172.18.45.6:53
28 31200100 00010000 00000000 06636869 61726b08 67726565 6e656e64 036f7267
32 select max=7 rfds=[0,6] wfds=[] efds=[] to=1.999198
33 select=1 rfds=[0,6] wfds=[] efds=[]
35 recvfrom fd=6 buflen=512
36 recvfrom=OK addr=172.18.45.6:53
37 31208580 00010001 00020002 06636869 61726b08 67726565 6e656e64 036f7267
38 02756b00 00010001 c00c0001 00010001 51800004 c3e04c84 08677265 656e656e
39 64036f72 6702756b 00000200 01000151 80001103 6e73300a 72656c61 74697669
40 7479c038 c0380002 00010001 51800006 036e7331 c057c053 00010001 00015180
41 0004ac12 2d06c070 00010001 00015180 0004ac12 2d01.
43 recvfrom fd=6 buflen=512
48 2d2d6361 6e63656c 2d696420 34320a.
50 select max=7 rfds=[0,6] wfds=[] efds=[] to=null
51 select=1 rfds=[0] wfds=[] efds=[]