[ 1509.202362][ T4226] gre: GRE over IPv4 demultiplexer driver
[ 1509.710766][ T4249] ip_gre: GRE over IPv4 tunneling driver
[ 1525.801033][ T4828] ip6_gre: GRE over IPv6 tunneling driver
[ 1529.550438][   T64] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1532.343329][ T5122] ping (5122) used greatest stack depth: 23424 bytes left
[ 1536.334634][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1538.317646][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1540.238637][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1542.285649][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1547.608091][ T5652] ping (5652) used greatest stack depth: 23376 bytes left