[ 4654.651857][T23345] gre: GRE over IPv4 demultiplexor driver
[ 4656.894162][T23368] ip_gre: GRE over IPv4 tunneling driver
[ 4722.012443][T23947] ip6_gre: GRE over IPv6 tunneling driver
[ 4750.505104][T24196] ping (24196) used greatest stack depth: 21552 bytes left
[ 4767.054365][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4773.262283][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4778.510284][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4784.847270][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!