[ 4458.703998][T26037] gre: GRE over IPv4 demultiplexor driver
[ 4460.757738][T26060] ip_gre: GRE over IPv4 tunneling driver
[ 4520.366771][T26636] ip6_gre: GRE over IPv6 tunneling driver
[ 4537.041817][T26792] ping (26792) used greatest stack depth: 23120 bytes left
[ 4562.421626][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4568.309535][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4573.366520][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4579.190522][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!