[ 1428.049972][ T3632] ip (3632) used greatest stack depth: 23888 bytes left
[ 1430.855726][ T3654] gre: GRE over IPv4 demultiplexor driver
[ 1430.870557][ T3654] ip_gre: GRE over IPv4 tunneling driver
[ 1434.919776][ T3692] ip (3692) used greatest stack depth: 23328 bytes left