[ 3217.039983][T23674] gre: GRE over IPv4 demultiplexer driver
[ 3218.680904][T23697] ip_gre: GRE over IPv4 tunneling driver
[ 3267.123210][T24269] ip6_gre: GRE over IPv6 tunneling driver
[ 3300.611675][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3305.540571][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3309.699577][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3314.627591][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3386.043143][T25649] ping (25649) used greatest stack depth: 23712 bytes left