[ 4381.277072][T29179] gre: GRE over IPv4 demultiplexer driver
[ 4382.917827][T29202] ip_gre: GRE over IPv4 tunneling driver
[ 4411.891219][T29548] ping (29548) used greatest stack depth: 23280 bytes left
[ 4432.164056][T29774] ip6_gre: GRE over IPv6 tunneling driver
[ 4465.819053][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4470.810979][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4475.034957][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4479.962970][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!