[ 3188.946581][T23674] gre: GRE over IPv4 demultiplexer driver
[ 3190.550887][T23697] ip_gre: GRE over IPv4 tunneling driver
[ 3239.033798][T24269] ip6_gre: GRE over IPv6 tunneling driver
[ 3259.866118][T24518] ping (24518) used greatest stack depth: 23648 bytes left
[ 3272.581733][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3277.509626][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3281.733640][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3286.597645][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!