[ 1500.532240][T16119] gre: GRE over IPv4 demultiplexer driver
[ 1501.001979][T16142] ip_gre: GRE over IPv4 tunneling driver
[ 1517.368384][T16718] ip6_gre: GRE over IPv6 tunneling driver
[ 1523.128296][T16971] ping (16971) used greatest stack depth: 23248 bytes left
[ 1528.105300][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1530.153275][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1532.009276][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1534.057270][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!