[ 1350.124276][T29201] gre: GRE over IPv4 demultiplexer driver
[ 1350.552164][T29224] ip_gre: GRE over IPv4 tunneling driver
[ 1365.310308][T29795] ip6_gre: GRE over IPv6 tunneling driver
[ 1370.410435][T30052] ping (30052) used greatest stack depth: 23208 bytes left
[ 1375.058551][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1376.977515][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1378.770524][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1380.690522][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!