[ 762.700751][ T9173] ip (9173) used greatest stack depth: 23760 bytes left [ 768.727476][ T9224] gre: GRE over IPv4 demultiplexor driver [ 768.758697][ T9224] ip_gre: GRE over IPv4 tunneling driver [ 769.250721][ T9230] ip (9230) used greatest stack depth: 23408 bytes left