[ 1461.527411][  T429] gre: GRE over IPv4 demultiplexer driver
[ 1462.004963][  T452] ip_gre: GRE over IPv4 tunneling driver
[ 1477.698679][ T1024] ip6_gre: GRE over IPv6 tunneling driver
[ 1483.192523][ T1275] ping (1275) used greatest stack depth: 23072 bytes left
[ 1488.014812][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1489.997774][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1491.853771][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1493.837784][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!