[ 1045.805579][ T7600] gre: GRE over IPv4 demultiplexor driver
[ 1045.833747][ T7600] ip_gre: GRE over IPv4 tunneling driver
[ 1045.890220][ T7599] ip (7599) used greatest stack depth: 23984 bytes left
[ 1046.224115][ T7609] ip (7609) used greatest stack depth: 23568 bytes left