[ 2790.503404][ T2398] gre: GRE over IPv4 demultiplexer driver
[ 2792.168279][ T2421] ip_gre: GRE over IPv4 tunneling driver
[ 2820.771280][ T2769] ping (2769) used greatest stack depth: 23920 bytes left
[ 2841.266563][ T2998] ip6_gre: GRE over IPv6 tunneling driver
[ 2862.040369][ T3248] ping (3248) used greatest stack depth: 23552 bytes left
[ 2874.781907][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2879.645815][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2883.870779][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2888.734787][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2959.847674][ T4381] ping (4381) used greatest stack depth: 23248 bytes left