root@snic10e:/tmp# while true; do
>   service dnsmasq restart
>   sleep 1
>   free
>   sleep 1
> done
              total        used        free      shared  buff/cache   available
Mem:        1991508       69672     1901456       17488       20380     1878328
Swap:             0           0           0
              total        used        free      shared  buff/cache   available
Mem:        1991508       71128     1900000       17488       20380     1876872
Swap:             0           0           0
              total        used        free      shared  buff/cache   available
Mem:        1991508       72052     1899076       17488       20380     1875948
Swap:             0           0           0
              total        used        free      shared  buff/cache   available
Mem:        1991508       72400     1898728       17488       20380     1875600
Swap:             0           0           0
              total        used        free      shared  buff/cache   available
Mem:        1991508       72152     1898976       17488       20380     1875848
Swap:             0           0           0
              total        used        free      shared  buff/cache   available
Mem:        1991508       73632     1897500       17484       20376     1874372
Swap:             0           0           0
              total        used        free      shared  buff/cache   available
Mem:        1991508       74548     1896580       17488       20380     1873452
Swap:             0           0           0
              total        used        free      shared  buff/cache   available
Mem:        1991508       75992     1895136       17488       20380     1872008
Swap:             0           0           0
              total        used        free      shared  buff/cache   available
Mem:        1991508       76340     1894788       17488       20380     1871660
Swap:             0           0           0
              total        used        free      shared  buff/cache   available
Mem:        1991508       77200     1893928       17488       20380     1870800
Swap:             0           0           0
              total        used        free      shared  buff/cache   available
Mem:        1991508       77428     1893700       17488       20380     1870572
Swap:             0           0           0
              total        used        free      shared  buff/cache   available
Mem:        1991508       78172     1892956       17488       20380     1869828
Swap:             0           0           0