[ 4269.459413][T29262] gre: GRE over IPv4 demultiplexer driver
[ 4271.100958][T29285] ip_gre: GRE over IPv4 tunneling driver
[ 4319.582141][T29858] ip6_gre: GRE over IPv6 tunneling driver
[ 4348.384038][T30201] ping (30201) used greatest stack depth: 23440 bytes left
[ 4353.521793][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4358.388015][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4362.610738][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4367.473780][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!