[ 1456.638026][T17810] gre: GRE over IPv4 demultiplexer driver
[ 1457.086942][T17833] ip_gre: GRE over IPv4 tunneling driver
[ 1473.247130][T18412] ip6_gre: GRE over IPv6 tunneling driver
[ 1476.967908][   T63] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1477.809870][T18612] ping (18612) used greatest stack depth: 23632 bytes left
[ 1481.000768][T18760] ping (18760) used greatest stack depth: 23232 bytes left
[ 1483.862843][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1485.911830][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1487.766844][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1489.815841][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!