[ 1425.584639][ T3463] gre: GRE over IPv4 demultiplexer driver
[ 1426.017999][ T3486] ip_gre: GRE over IPv4 tunneling driver
[ 1441.580639][ T4057] ip6_gre: GRE over IPv6 tunneling driver
[ 1444.071830][ T4162] ping (4162) used greatest stack depth: 23632 bytes left
[ 1452.169646][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1454.154629][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1456.009634][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1457.993633][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!