[ 3195.674905][T23676] gre: GRE over IPv4 demultiplexer driver
[ 3197.288164][T23699] ip_gre: GRE over IPv4 tunneling driver
[ 3208.328805][T23843] ip (23843) used greatest stack depth: 24000 bytes left
[ 3245.216124][T24271] ip6_gre: GRE over IPv6 tunneling driver
[ 3266.144370][T24521] ping (24521) used greatest stack depth: 23648 bytes left
[ 3278.762094][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3283.625985][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3287.785971][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3292.586002][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3370.129392][T25746] ping (25746) used greatest stack depth: 23328 bytes left