[ 4035.031234][T23178] gre: GRE over IPv4 demultiplexor driver
[ 4037.121137][T23201] ip_gre: GRE over IPv4 tunneling driver
[ 4099.352758][T23778] ip6_gre: GRE over IPv6 tunneling driver
[ 4126.393385][T24029] ping (24029) used greatest stack depth: 23360 bytes left
[ 4142.518770][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4148.790539][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4153.782542][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4159.925557][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!