If I make a symbolic link for modprobe, the message is the same like insmod: root@barix-ipam400:~# ln -s /lib/modules/4.10.0/extra/cdc-ncm.ko /lib/modules/4.10.0/ root@barix-ipam400:~# modprobe cdc_ncm.ko modprobe: can't load module cdc_wdm (extra/cdc-wdm.ko): invalid module format
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Zolee