[ 4298.310616][T29252] gre: GRE over IPv4 demultiplexer driver
[ 4299.913215][T29275] ip_gre: GRE over IPv4 tunneling driver
[ 4351.138069][T29855] ip6_gre: GRE over IPv6 tunneling driver
[ 4372.140612][T30104] ping (30104) used greatest stack depth: 23488 bytes left
[ 4385.542156][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4390.599084][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4395.142111][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4400.135086][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!