[ 3232.714810][T23668] gre: GRE over IPv4 demultiplexer driver
[ 3234.371308][T23691] ip_gre: GRE over IPv4 tunneling driver
[ 3282.524279][T24262] ip6_gre: GRE over IPv6 tunneling driver
[ 3303.111850][T24512] ping (24512) used greatest stack depth: 23648 bytes left
[ 3315.842965][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3320.705907][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3324.929918][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3329.857918][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3406.901035][T25739] ping (25739) used greatest stack depth: 23328 bytes left