[ 4326.981183][T29228] gre: GRE over IPv4 demultiplexer driver
[ 4328.602544][T29251] ip_gre: GRE over IPv4 tunneling driver
[ 4378.638473][T29823] ip6_gre: GRE over IPv6 tunneling driver
[ 4411.995785][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4416.923711][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4421.147688][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4426.075727][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4494.013304][T31158] ping (31158) used greatest stack depth: 23216 bytes left