[ 1342.793658][T18186] gre: GRE over IPv4 demultiplexor driver
[ 1342.815791][T18186] ip_gre: GRE over IPv4 tunneling driver
[ 1343.015047][T18191] ip (18191) used greatest stack depth: 23592 bytes left
[ 1344.818984][T18217] ip (18217) used greatest stack depth: 23584 bytes left