[ 2874.127825][T23154] gre: GRE over IPv4 demultiplexor driver
[ 2875.112522][T23177] ip_gre: GRE over IPv4 tunneling driver
[ 2891.738507][T23525] ping (23525) used greatest stack depth: 23184 bytes left
[ 2905.375076][T23750] ip6_gre: GRE over IPv6 tunneling driver
[ 2925.771014][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2929.226738][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2932.171713][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2935.498722][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!