[ 1583.980113][ T1430] gre: GRE over IPv4 demultiplexer driver
[ 1584.471546][ T1453] ip_gre: GRE over IPv4 tunneling driver
[ 1600.444934][ T2024] ip6_gre: GRE over IPv6 tunneling driver
[ 1604.957348][ T2227] ping (2227) used greatest stack depth: 23264 bytes left
[ 1606.020381][ T2277] ping (2277) used greatest stack depth: 23240 bytes left
[ 1610.982526][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1612.966499][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1614.821503][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1616.806499][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!