[ 1160.257299] gre: GRE over IPv4 demultiplexor driver
[ 1160.385582] ip_gre: GRE over IPv4 tunneling driver
[ 1168.904425] ip6_gre: GRE over IPv6 tunneling driver
[ 1171.054370] ping (31799) used greatest stack depth: 11848 bytes left
[ 1174.143166] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1175.487172] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1176.767169] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1178.111147] ip6_tunnel: tep0 xmit: Local address not yet configured!