[ 1726.745498][ T1431] gre: GRE over IPv4 demultiplexer driver
[ 1727.261585][ T1454] ip_gre: GRE over IPv4 tunneling driver
[ 1744.445912][ T2025] ip6_gre: GRE over IPv6 tunneling driver
[ 1750.556347][ T2277] ping (2277) used greatest stack depth: 22864 bytes left
[ 1755.625793][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1757.737762][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1759.656765][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1761.768770][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1786.367595][ T3501] ping (3501) used greatest stack depth: 22624 bytes left