[ 1324.435810][T17697] gre: GRE over IPv4 demultiplexer driver
[ 1324.907502][T17720] ip_gre: GRE over IPv4 tunneling driver
[ 1330.284448][T17972] ping (17972) used greatest stack depth: 23024 bytes left
[ 1340.425524][T18291] ip6_gre: GRE over IPv6 tunneling driver
[ 1350.567401][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1352.550379][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1354.407367][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1356.390368][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!