[ 1774.223653][T24771] gre: GRE over IPv4 demultiplexer driver
[ 1774.238772][T24771] ip_gre: GRE over IPv4 tunneling driver
[ 1784.621001][T25265] ip6_gre: GRE over IPv6 tunneling driver
[ 1787.297943][T25395] ip (25395) used greatest stack depth: 23456 bytes left