[ 3192.869446][T23667] gre: GRE over IPv4 demultiplexer driver
[ 3194.490494][T23690] ip_gre: GRE over IPv4 tunneling driver
[ 3241.867009][T24261] ip6_gre: GRE over IPv6 tunneling driver
[ 3262.102003][T24511] ping (24511) used greatest stack depth: 23616 bytes left
[ 3274.577276][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3279.441208][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3283.536219][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3288.464219][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!