[ 1606.907560][ T2379] gre: GRE over IPv4 demultiplexer driver
[ 1607.432519][ T2402] ip_gre: GRE over IPv4 tunneling driver
[ 1613.497299][ T2655] ping (2655) used greatest stack depth: 23296 bytes left
[ 1624.387347][ T2976] ip6_gre: GRE over IPv6 tunneling driver
[ 1630.449590][ T3226] ping (3226) used greatest stack depth: 22880 bytes left
[ 1630.581513][T29860] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1635.612443][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1637.725443][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1639.644447][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1641.756442][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!