[  484.935022][ T1911] gre: GRE over IPv4 demultiplexor driver
[  486.492452][ T1930] ip (1930) used greatest stack depth: 24160 bytes left
[  487.088706][ T1934] ip_gre: GRE over IPv4 tunneling driver
[  494.839394][ T1998] ping (1998) used greatest stack depth: 23984 bytes left
[  514.849971][ T2187] ping (2187) used greatest stack depth: 23920 bytes left
[  550.891687][ T2506] ip6_gre: GRE over IPv6 tunneling driver
[  578.592992][ T2755] ping (2755) used greatest stack depth: 23632 bytes left
[  595.053258][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  601.198222][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  606.509251][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  612.717203][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!