[ 1275.319866][ T8701] gre: GRE over IPv4 demultiplexer driver
[ 1275.749774][ T8724] ip_gre: GRE over IPv4 tunneling driver
[ 1291.023215][ T9296] ip6_gre: GRE over IPv6 tunneling driver
[ 1296.349288][ T9552] ping (9552) used greatest stack depth: 23328 bytes left
[ 1301.077341][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1303.061334][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1305.365300][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1307.348327][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!