[ 1454.021260][ T2429] gre: GRE over IPv4 demultiplexer driver
[ 1454.523797][ T2452] ip_gre: GRE over IPv4 tunneling driver
[ 1470.761430][ T3031] ip6_gre: GRE over IPv6 tunneling driver
[ 1476.545262][ T3280] ping (3280) used greatest stack depth: 23320 bytes left
[ 1481.740967][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1483.788929][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1485.644925][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1487.692933][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!