[ 1317.333045][T31820] gre: GRE over IPv4 demultiplexer driver
[ 1317.902743][T31843] ip_gre: GRE over IPv4 tunneling driver
[ 1323.931456][T32095] ping (32095) used greatest stack depth: 23520 bytes left
[ 1334.771577][T32417] ip6_gre: GRE over IPv6 tunneling driver
[ 1340.795224][T32666] ping (32666) used greatest stack depth: 23072 bytes left
[ 1345.952655][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1348.065615][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1350.049627][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1352.160652][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!