[ 4335.079902][T29276] gre: GRE over IPv4 demultiplexer driver
[ 4336.704600][T29299] ip_gre: GRE over IPv4 tunneling driver
[ 4386.185011][T29870] ip6_gre: GRE over IPv6 tunneling driver
[ 4407.846975][T30120] ping (30120) used greatest stack depth: 22512 bytes left
[ 4420.895119][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4426.015035][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4430.368032][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4435.680028][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!