[ 3169.897731][T23670] gre: GRE over IPv4 demultiplexer driver
[ 3171.584692][T23693] ip_gre: GRE over IPv4 tunneling driver
[ 3218.665083][T24266] ip6_gre: GRE over IPv6 tunneling driver
[ 3238.578553][T24515] ping (24515) used greatest stack depth: 23264 bytes left
[ 3242.368380][T19375] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3251.584238][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3256.449224][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3260.673225][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3265.600266][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!