[ 3111.913613][T23676] gre: GRE over IPv4 demultiplexer driver
[ 3113.545622][T23700] ip_gre: GRE over IPv4 tunneling driver
[ 3162.302026][T24278] ip6_gre: GRE over IPv6 tunneling driver
[ 3183.010709][T24528] ping (24528) used greatest stack depth: 23264 bytes left
[ 3195.818555][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3200.683493][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3204.842509][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3209.706512][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3287.598302][T25760] ping (25760) used greatest stack depth: 22800 bytes left