[ 1523.950432][T26209] gre: GRE over IPv4 demultiplexer driver
[ 1524.639366][T26232] ip_gre: GRE over IPv4 tunneling driver
[ 1544.654469][T26805] ip6_gre: GRE over IPv6 tunneling driver
[ 1550.071234][   T10] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1552.938130][T27054] ping (27054) used greatest stack depth: 23320 bytes left
[ 1554.337260][T27098] ping (27098) used greatest stack depth: 23040 bytes left
[ 1558.966902][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1560.950909][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1563.254960][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1565.942935][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!