[ 4406.144463][T26133] gre: GRE over IPv4 demultiplexor driver
[ 4408.126047][T26156] ip_gre: GRE over IPv4 tunneling driver
[ 4469.729772][T26735] ip6_gre: GRE over IPv6 tunneling driver
[ 4496.580776][T26984] ping (26984) used greatest stack depth: 23616 bytes left
[ 4512.250469][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4518.073405][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4523.066401][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4529.017433][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4733.540075][T29248] ping (29248) used greatest stack depth: 22448 bytes left