[ 4416.551057][T29199] gre: GRE over IPv4 demultiplexer driver
[ 4418.183877][T29222] ip_gre: GRE over IPv4 tunneling driver
[ 4447.050880][T29568] ping (29568) used greatest stack depth: 23280 bytes left
[ 4467.686725][T29793] ip6_gre: GRE over IPv6 tunneling driver
[ 4502.381465][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4507.437445][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4511.789363][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4516.782352][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!