+ select max=5 rfds=[4] wfds=[] efds=[] to=0.000000
+ select=1 rfds=[4] wfds=[] efds=[]
+ +0.005328
+ sendto fd=4 addr=172.18.45.6:53
+ 312d0100 00010000 00000000 03323534 01300239 39033230 3307696e 2d616464
+ 72046172 70610000 060001.
+ sendto=43
+ +0.002641
+ sendto fd=4 addr=172.18.45.6:53
+ 312e0100 00010000 00000000 03323534 01300239 39033230 3307696e 2d616464
+ 72046172 70610000 110001.
+ sendto=43
+ +0.000001
+ recvfrom fd=4 buflen=512