[ 650.931409][ T3978] gre: GRE over IPv4 demultiplexor driver [ 650.951879][ T3978] ip_gre: GRE over IPv4 tunneling driver [ 653.583225][ T4000] 8021q: 802.1Q VLAN Support v1.8 [ 689.531313][ C2] hrtimer: interrupt took 3605041 ns