[ 2611.699300][T19278] gre: GRE over IPv4 demultiplexor driver
[ 2613.438305][T19301] ip_gre: GRE over IPv4 tunneling driver
[ 2666.277454][T19874] ip6_gre: GRE over IPv6 tunneling driver
[ 2703.602481][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2708.979342][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2713.458381][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2718.835344][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2902.147503][T22401] ping (22401) used greatest stack depth: 22448 bytes left