[ 3216.708822][T26557] gre: GRE over IPv4 demultiplexor driver
[ 3218.746414][T26581] ip_gre: GRE over IPv4 tunneling driver
[ 3279.847137][T27154] ip6_gre: GRE over IPv6 tunneling driver
[ 3315.455184][T27504] ping (27504) used greatest stack depth: 23632 bytes left
[ 3321.350746][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3327.174694][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3332.102697][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3337.863672][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!