[ 1598.095271][ T3217] gre: GRE over IPv4 demultiplexer driver
[ 1598.578657][ T3240] ip_gre: GRE over IPv4 tunneling driver
[ 1615.271435][ T3813] ip6_gre: GRE over IPv6 tunneling driver
[ 1617.088416][ T3463] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1623.409517][ T4158] ping (4158) used greatest stack depth: 23112 bytes left
[ 1626.319051][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1628.432051][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1630.352053][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1632.527058][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1657.154436][ T5297] ping (5297) used greatest stack depth: 22832 bytes left