[ 3240.721957][T28990] gre: GRE over IPv4 demultiplexor driver
[ 3241.941428][T29013] ip_gre: GRE over IPv4 tunneling driver
[ 3257.369722][T29266] ping (29266) used greatest stack depth: 23888 bytes left
[ 3278.474305][T29591] ip6_gre: GRE over IPv6 tunneling driver
[ 3293.566676][T29840] ping (29840) used greatest stack depth: 23632 bytes left
[ 3303.523268][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3307.427167][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3310.883156][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3314.659171][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3361.316865][T30888] ping (30888) used greatest stack depth: 23344 bytes left