[  646.682381][ T3974] gre: GRE over IPv4 demultiplexor driver
[  646.712391][ T3974] ip_gre: GRE over IPv4 tunneling driver
[  647.079447][ T3980] ip (3980) used greatest stack depth: 23056 bytes left
[  649.056724][ T3996] 8021q: 802.1Q VLAN Support v1.8