Hy clotai,
i tested your file but do not work. I think something should be corrected in your first post?
instead of /system/bin/dhcpd eth0 it should be /system/bin/dhcpcd eth0
This i put in console:
su
/system/bin/dhcpcd eth0
setprop net.dns1 8.8.8.8
but it doesn´t work.
When i write:
su
ifconfig eth0 192.168.0.190 netmask 255.255.255.0 broadcast 192.168.0.255
I get an error: error: CIOCSIFADDR (No such device)
route add default gw 192.168.0.1
I get an error: Invalid argument
setprop net.dns1 8.8.8.8
Hope you can solve this
best regards 
Craxx
Nexus 4
LG O2x P990
XOOM Mz601
Huawei Ideos X3
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