[ 3126.410432][T20365] gre: GRE over IPv4 demultiplexor driver
[ 3127.547023][T20388] ip_gre: GRE over IPv4 tunneling driver
[ 3141.663076][T20640] ping (20640) used greatest stack depth: 22864 bytes left
[ 3162.030926][T20970] ip6_gre: GRE over IPv6 tunneling driver
[ 3185.479690][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3189.191555][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3192.392554][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3196.039616][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!