[ 3198.891234][T23672] gre: GRE over IPv4 demultiplexer driver
[ 3200.485201][T23695] ip_gre: GRE over IPv4 tunneling driver
[ 3248.279468][T24267] ip6_gre: GRE over IPv6 tunneling driver
[ 3276.107418][T24610] ping (24610) used greatest stack depth: 23648 bytes left
[ 3281.144081][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3286.008983][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3290.168974][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3295.223999][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!