[ 1667.173162][T11153] gre: GRE over IPv4 demultiplexer driver
[ 1667.656229][T11176] ip_gre: GRE over IPv4 tunneling driver
[ 1670.490779][T11314] ip (11314) used greatest stack depth: 23824 bytes left
[ 1683.690849][T11749] ip6_gre: GRE over IPv6 tunneling driver
[ 1689.480926][T20568] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1694.264876][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1696.312879][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1698.167882][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1700.216881][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1723.442695][T13226] ping (13226) used greatest stack depth: 23456 bytes left
[ 1755.439804][T14356] ping (14356) used greatest stack depth: 23168 bytes left