[ 4685.362510][T24745] gre: GRE over IPv4 demultiplexor driver
[ 4687.547761][T24768] ip_gre: GRE over IPv4 tunneling driver
[ 4750.115671][T25340] ip6_gre: GRE over IPv6 tunneling driver
[ 4778.349532][T25589] ping (25589) used greatest stack depth: 23328 bytes left
[ 4794.805598][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4801.013640][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4806.261531][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4812.725547][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4847.943810][T26201] ping (26201) used greatest stack depth: 23184 bytes left