[ 4014.637887][T24664] gre: GRE over IPv4 demultiplexor driver
[ 4016.749391][T24688] ip_gre: GRE over IPv4 tunneling driver
[ 4054.274714][T25035] ping (25035) used greatest stack depth: 22424 bytes left
[ 4080.428045][T25261] ip6_gre: GRE over IPv6 tunneling driver
[ 4123.826351][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4129.778276][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4134.834287][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4140.786332][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!