The following packages will be installed:
 netatop 
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netatop-3.1/
netatop-3.1/module/
netatop-3.1/module/Makefile
netatop-3.1/module/netatop.c
netatop-3.1/daemon/
netatop-3.1/daemon/Makefile
netatop-3.1/daemon/netatopd.c
netatop-3.1/man/
netatop-3.1/man/netatop.4
netatop-3.1/man/netatopd.8
netatop-3.1/netatopd.h
netatop-3.1/netatop.h
netatop-3.1/netatopversion.h
netatop-3.1/mkversion
netatop-3.1/netatop.init
netatop-3.1/netatop.service
netatop-3.1/README
netatop-3.1/Makefile
netatop-3.1/ChangeLog
./mkversion
cd module; make
make[1]: Entering directory '/usr/src/slapt-src-i486/system/netatop/netatop-3.1/module'
echo start the make
start the make
make -C /lib/modules/4.4.276/build M=/usr/src/slapt-src-i486/system/netatop/netatop-3.1/module modules
make[2]: Entering directory '/usr/src/slapt-src-i486/system/netatop/netatop-3.1/module'
make[2]: *** /lib/modules/4.4.276/build: No such file or directory.  Stop.
make[2]: Leaving directory '/usr/src/slapt-src-i486/system/netatop/netatop-3.1/module'
make[1]: *** [Makefile:10: netatop.ko] Error 2
make[1]: Leaving directory '/usr/src/slapt-src-i486/system/netatop/netatop-3.1/module'
make: *** [Makefile:3: all] Error 2
fakeroot -- sh netatop.SlackBuild Failed