[ 4141.347763][T28700] gre: GRE over IPv4 demultiplexer driver
[ 4142.924763][T28723] ip_gre: GRE over IPv4 tunneling driver
[ 4191.108517][T29296] ip6_gre: GRE over IPv6 tunneling driver
[ 4223.533087][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4228.396014][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4232.619991][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4236.553991][T29827] ping (29827) used greatest stack depth: 23080 bytes left
[ 4237.485043][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!