[ 4569.503493][T29676] gre: GRE over IPv4 demultiplexer driver
[ 4571.219397][T29699] ip_gre: GRE over IPv4 tunneling driver
[ 4620.939909][T30271] ip6_gre: GRE over IPv6 tunneling driver
[ 4655.768785][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4660.759770][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4665.111754][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4670.103763][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4744.025708][T31659] ping (31659) used greatest stack depth: 23536 bytes left