[ 3159.079909][T27890] gre: GRE over IPv4 demultiplexor driver
[ 3160.225530][T27913] ip_gre: GRE over IPv4 tunneling driver
[ 3204.584846][T28492] ip6_gre: GRE over IPv6 tunneling driver
[ 3229.828748][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3233.475678][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3236.804660][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3240.515687][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3284.920091][T29783] ping (29783) used greatest stack depth: 22864 bytes left