[ 4442.228370][T26200] gre: GRE over IPv4 demultiplexor driver
[ 4444.341320][T26223] ip_gre: GRE over IPv4 tunneling driver
[ 4504.175050][T26795] ip6_gre: GRE over IPv6 tunneling driver
[ 4511.200757][T26856] ping (26856) used greatest stack depth: 23008 bytes left
[ 4546.347581][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4552.171474][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4557.099504][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4562.923473][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!