make -C /lib/modules/4.14.0-115.el7a.0.1.aarch64/build M=/root/vrouter/contrail-vrouter modules
make: *** /lib/modules/4.14.0-115.el7a.0.1.aarch64/build: No such file or directory. Stop.
make: *** [default] Error 2
[root@localhost contrail-vrouter]# ls /usr/src/kernels/4.18.0-147.0.3.el7.aarch64/
4.18.0-147.0.3.el7.aarch64 crypto include kernel mm scripts tools
arch drivers init lib Module.symvers security usr
block firmware ipc Makefile net sound virt
certs fs Kconfig Makefile.rhelver samples System.map vmlinux.id
机器上装了4.18.0-147.0.3.el7.aarch64
ln -s /usr/src/kernels/4.18.0-147.0.3.el7.aarch64 /lib/modules/4.14.0-115.el7a.0.1.aarch64/build
