GRUB_CMDLINE_LINUX="net.ifnames=0 biosdevname=0 console=tty0 console=ttyS0,115200n8 rootfstype=xfs  quiet oops=panic softlockup_panic=1 nmi_watchdog=1 rd.shell=0 selinux=0 cgroup_disable=files apparmor=0crashkernel=512M panic=3"