[ 4432.084014][T26012] gre: GRE over IPv4 demultiplexor driver
[ 4434.153079][T26035] ip_gre: GRE over IPv4 tunneling driver
[ 4494.289457][T26608] ip6_gre: GRE over IPv6 tunneling driver
[ 4515.243142][T26808] ping (26808) used greatest stack depth: 22688 bytes left
[ 4536.383400][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4542.399282][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4547.520278][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4553.471290][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!