[ 1473.492828][T29708] gre: GRE over IPv4 demultiplexer driver
[ 1473.991134][T29731] ip_gre: GRE over IPv4 tunneling driver
[ 1489.737831][T30303] ip6_gre: GRE over IPv6 tunneling driver
[ 1493.338995][   T10] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1494.139147][T30503] ping (30503) used greatest stack depth: 23664 bytes left
[ 1495.197833][T30554] ping (30554) used greatest stack depth: 23072 bytes left
[ 1500.043448][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1502.027453][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1503.883442][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1505.930448][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!