[ 3226.641601][T27794] gre: GRE over IPv4 demultiplexor driver
[ 3227.787722][T27817] ip_gre: GRE over IPv4 tunneling driver
[ 3264.583241][T28389] ip6_gre: GRE over IPv6 tunneling driver
[ 3279.640494][T14888] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3292.312265][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3296.088291][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3299.416274][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3303.193249][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3318.251799][T29209] ping (29209) used greatest stack depth: 23000 bytes left