[ 3163.040738][T27714] gre: GRE over IPv4 demultiplexor driver
[ 3164.150812][T27737] ip_gre: GRE over IPv4 tunneling driver
[ 3199.039856][T28316] ip6_gre: GRE over IPv6 tunneling driver
[ 3213.227177][T28569] ping (28569) used greatest stack depth: 23568 bytes left
[ 3213.555652][T26029] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3218.738594][T11812] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3222.706563][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3226.482524][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3229.618536][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3233.267514][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!