[ 1424.160471][ T1240] gre: GRE over IPv4 demultiplexer driver
[ 1424.666988][ T1263] ip_gre: GRE over IPv4 tunneling driver
[ 1440.451355][ T1835] ip6_gre: GRE over IPv6 tunneling driver
[ 1448.120969][ T2182] ping (2182) used greatest stack depth: 23168 bytes left
[ 1450.956244][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1452.940198][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1454.797197][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1456.780203][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!