[ 1694.097543][T13480] gre: GRE over IPv4 demultiplexer driver
[ 1694.738869][T13503] ip_gre: GRE over IPv4 tunneling driver
[ 1712.777024][T14076] ip6_gre: GRE over IPv6 tunneling driver
[ 1717.338682][T14275] ping (14275) used greatest stack depth: 23832 bytes left
[ 1718.609625][T14325] ping (14325) used greatest stack depth: 23824 bytes left
[ 1723.893871][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1726.262784][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1728.117789][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1730.102781][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1753.711981][T15471] ping (15471) used greatest stack depth: 23264 bytes left