[ 4403.089719][T29257] gre: GRE over IPv4 demultiplexer driver
[ 4404.713327][T29280] ip_gre: GRE over IPv4 tunneling driver
[ 4452.552266][T29852] ip6_gre: GRE over IPv6 tunneling driver
[ 4472.934560][T30101] ping (30101) used greatest stack depth: 23440 bytes left
[ 4485.452782][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4490.252692][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4494.413678][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4499.340710][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!