[ 4208.097568][T31719] gre: GRE over IPv4 demultiplexer driver
[ 4209.722055][T31742] ip_gre: GRE over IPv4 tunneling driver
[ 4258.226340][T32315] ip6_gre: GRE over IPv6 tunneling driver
[ 4274.772952][T32514] ping (32514) used greatest stack depth: 23536 bytes left
[ 4278.904619][T32564] ping (32564) used greatest stack depth: 23440 bytes left
[ 4291.614513][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4296.670439][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4300.958444][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4305.886448][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4488.118222][ T2460] ping (2460) used greatest stack depth: 23424 bytes left