[ 1680.258434][T13718] gre: GRE over IPv4 demultiplexer driver
[ 1680.684977][T13741] ip_gre: GRE over IPv4 tunneling driver
[ 1696.438439][T14317] ip6_gre: GRE over IPv6 tunneling driver
[ 1701.979249][T14566] ping (14566) used greatest stack depth: 23168 bytes left
[ 1706.835005][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1708.818981][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1710.673974][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1712.658976][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1732.163590][T15647] ping (15647) used greatest stack depth: 23024 bytes left
[ 1735.201048][T15791] ping (15791) used greatest stack depth: 22432 bytes left