[root@bridge ~]# ip a | grep inet6
inet6 ::1/128 scope host
inet6 fe80::216:3eff:fe6e:91d7/64 scope link
inet6 fe80::42:80ff:fed3:f9ac/64 scope link
inet6 fe80::6039:ffff:fe4e:d3dd/64 scope link
inet6 fe80::427:11ff:fe23:6650/64 scope link
[root@bridge ~]# vi /etc/default/grub
[root@bridge ~]# ls -lh /etc/grub*.cfg
lrwxrwxrwx 1 root root 22 Sep 27 2019 /etc/grub2.cfg -> ../boot/grub2/grub.cfg
[root@bridge ~]# grub2-mkconfig -o /boot/grub2/grub.cfg
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-4.14.129-bbrplus
Found initrd image: /boot/initramfs-4.14.129-bbrplus.img
Found linux image: /boot/vmlinuz-0-rescue-96820b9851c24560b5f942f2496b9aeb
Found initrd image: /boot/initramfs-0-rescue-96820b9851c24560b5f942f2496b9aeb.img
done
[root@bridge ~]# grub2-mkconfig -o /boot/efi/EFI/centos/grub.cfg
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-4.14.129-bbrplus
Found initrd image: /boot/initramfs-4.14.129-bbrplus.img
Found linux image: /boot/vmlinuz-0-rescue-96820b9851c24560b5f942f2496b9aeb
Found initrd image: /boot/initramfs-0-rescue-96820b9851c24560b5f942f2496b9aeb.img
done
[root@bridge ~]# reboot
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