[ 4141.490598][T20629] gre: GRE over IPv4 demultiplexer driver
[ 4143.086428][T20652] ip_gre: GRE over IPv4 tunneling driver
[ 4190.900922][T21224] ip6_gre: GRE over IPv6 tunneling driver
[ 4207.870054][ T2674] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4219.123756][T21567] ping (21567) used greatest stack depth: 23648 bytes left
[ 4224.253334][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4229.118283][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4233.278289][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4238.142318][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!