[ 4000.181442][T29296] gre: GRE over IPv4 demultiplexer driver
[ 4001.764886][T29319] ip_gre: GRE over IPv4 tunneling driver
[ 4048.785828][T29890] ip6_gre: GRE over IPv6 tunneling driver
[ 4081.717550][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4086.517440][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4090.614431][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4095.349460][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4159.787613][T31227] ping (31227) used greatest stack depth: 23264 bytes left