[ 1497.432623][T16157] gre: GRE over IPv4 demultiplexer driver
[ 1497.891250][T16180] ip_gre: GRE over IPv4 tunneling driver
[ 1504.976286][T16526] ping (16526) used greatest stack depth: 24112 bytes left
[ 1513.103974][T16751] ip6_gre: GRE over IPv6 tunneling driver
[ 1518.375743][T17000] ping (17000) used greatest stack depth: 23888 bytes left
[ 1520.391656][   T34] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1523.118588][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1525.102593][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1526.895587][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1528.878595][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!