[ 1501.090338][T14389] gre: GRE over IPv4 demultiplexer driver
[ 1501.519821][T14412] ip_gre: GRE over IPv4 tunneling driver
[ 1516.773121][T14985] ip6_gre: GRE over IPv6 tunneling driver
[ 1520.204049][   T57] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1520.228048][T14471] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1523.897002][T15330] ping (15330) used greatest stack depth: 22736 bytes left
[ 1526.675977][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1528.658981][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1530.514990][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1532.498987][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!