[ 4320.354104][T29235] gre: GRE over IPv4 demultiplexer driver
[ 4321.954088][T29258] ip_gre: GRE over IPv4 tunneling driver
[ 4369.175575][T29832] ip6_gre: GRE over IPv6 tunneling driver
[ 4389.598807][T30081] ping (30081) used greatest stack depth: 23488 bytes left
[ 4402.487941][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4407.286933][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4411.382911][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4416.119898][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!