[ 3459.502791][T28861] gre: GRE over IPv4 demultiplexor driver
[ 3460.676699][T28884] ip_gre: GRE over IPv4 tunneling driver
[ 3496.216948][T29455] ip6_gre: GRE over IPv6 tunneling driver
[ 3513.557751][T29750] ping (29750) used greatest stack depth: 22432 bytes left
[ 3520.759249][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3524.535127][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3527.863137][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3531.640132][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!