[ 4301.242231][T29262] gre: GRE over IPv4 demultiplexer driver
[ 4302.856347][T29285] ip_gre: GRE over IPv4 tunneling driver
[ 4351.471337][T29856] ip6_gre: GRE over IPv6 tunneling driver
[ 4372.206319][T30112] ping (30112) used greatest stack depth: 23648 bytes left
[ 4376.069014][T16739] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4384.771830][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4389.571872][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4393.731856][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4398.595875][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!