[ 4263.848873][T29316] gre: GRE over IPv4 demultiplexer driver
[ 4265.457691][T29339] ip_gre: GRE over IPv4 tunneling driver
[ 4313.782653][T29917] ip6_gre: GRE over IPv6 tunneling driver
[ 4347.353917][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4352.153828][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4356.376848][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4361.240848][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4438.628475][T31397] ping (31397) used greatest stack depth: 23568 bytes left