[ 1532.127062][T26708] gre: GRE over IPv4 demultiplexer driver
[ 1532.537807][T26731] ip_gre: GRE over IPv4 tunneling driver
[ 1548.042513][T27302] ip6_gre: GRE over IPv6 tunneling driver
[ 1553.499006][T27551] ping (27551) used greatest stack depth: 23344 bytes left
[ 1558.333688][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1560.317660][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1562.109651][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1564.093662][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!