[ 2299.993608][T16886] gre: GRE over IPv4 demultiplexor driver
[ 2301.765951][T16909] ip_gre: GRE over IPv4 tunneling driver
[ 2356.456970][T17483] ip6_gre: GRE over IPv6 tunneling driver
[ 2394.411014][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2399.723936][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2404.458924][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2409.962969][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2490.081937][T18864] ping (18864) used greatest stack depth: 22096 bytes left