[ 1322.820213][T12658] gre: GRE over IPv4 demultiplexer driver
[ 1323.347601][T12682] ip_gre: GRE over IPv4 tunneling driver
[ 1339.060583][T13259] ip6_gre: GRE over IPv6 tunneling driver
[ 1344.520354][T13509] ping (13509) used greatest stack depth: 23168 bytes left
[ 1349.325189][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1351.308161][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1353.164164][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1355.148168][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!