[ 4254.612995][T29254] gre: GRE over IPv4 demultiplexer driver
[ 4256.341545][T29277] ip_gre: GRE over IPv4 tunneling driver
[ 4285.126505][T29623] ping (29623) used greatest stack depth: 23328 bytes left
[ 4305.696195][T29848] ip6_gre: GRE over IPv6 tunneling driver
[ 4323.628994][T15813] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4327.852900][T15962] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4340.333814][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4345.132838][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4349.805979][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4354.860841][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!