[ 4043.031946][T23738] gre: GRE over IPv4 demultiplexor driver
[ 4045.081090][T23762] ip_gre: GRE over IPv4 tunneling driver
[ 4104.796604][T24336] ip6_gre: GRE over IPv6 tunneling driver
[ 4141.231820][T24684] ping (24684) used greatest stack depth: 23360 bytes left
[ 4147.318503][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4153.270404][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4158.262465][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4164.149408][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!