[ 3226.973266][T27847] gre: GRE over IPv4 demultiplexor driver
[ 3228.143702][T27870] ip_gre: GRE over IPv4 tunneling driver
[ 3263.917189][T28445] ip6_gre: GRE over IPv6 tunneling driver
[ 3278.634597][T28694] ping (28694) used greatest stack depth: 23296 bytes left
[ 3279.065321][T18917] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3288.217190][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3291.993217][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3295.321183][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3299.098215][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!