[ 4686.555426][T24631] gre: GRE over IPv4 demultiplexor driver
[ 4688.704778][T24654] ip_gre: GRE over IPv4 tunneling driver
[ 4754.485522][T25227] ip6_gre: GRE over IPv6 tunneling driver
[ 4784.714329][T25476] ping (25476) used greatest stack depth: 23600 bytes left
[ 4802.102436][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4808.759322][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4814.071349][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4820.215325][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!