[ 3395.030603][T27694] gre: GRE over IPv4 demultiplexor driver
[ 3396.145976][T27717] ip_gre: GRE over IPv4 tunneling driver
[ 3431.411638][T28290] ip6_gre: GRE over IPv6 tunneling driver
[ 3445.951977][T28539] ping (28539) used greatest stack depth: 23568 bytes left
[ 3446.370411][    T9] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3455.457287][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3459.234253][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3462.561276][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3466.401279][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!