[ 2815.481597][T23668] gre: GRE over IPv4 demultiplexer driver
[ 2817.025677][T23691] ip_gre: GRE over IPv4 tunneling driver
[ 2862.945881][T24262] ip6_gre: GRE over IPv6 tunneling driver
[ 2889.282045][T24605] ping (24605) used greatest stack depth: 23528 bytes left
[ 2894.258485][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2898.865436][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2902.833404][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2907.505416][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!