[ 1521.688849][ T2077] gre: GRE over IPv4 demultiplexer driver
[ 1522.180110][ T2100] ip_gre: GRE over IPv4 tunneling driver
[ 1538.581350][ T2671] ip6_gre: GRE over IPv6 tunneling driver
[ 1544.519847][T11252] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1549.375780][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1551.487779][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1553.407778][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1555.455791][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1578.252484][ T4100] ping (4100) used greatest stack depth: 23232 bytes left