[ 4448.866797][T26161] gre: GRE over IPv4 demultiplexor driver
[ 4450.845712][T26184] ip_gre: GRE over IPv4 tunneling driver
[ 4454.167368][T26227] ip (26227) used greatest stack depth: 23632 bytes left
[ 4510.601271][T26757] ip6_gre: GRE over IPv6 tunneling driver
[ 4536.988282][T27007] ping (27007) used greatest stack depth: 23616 bytes left
[ 4552.525581][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4557.706281][T27195] ping (27195) used greatest stack depth: 23600 bytes left
[ 4558.668486][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4563.917491][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4569.868487][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!