[ 3350.472423][T23654] gre: GRE over IPv4 demultiplexor driver
[ 3351.643939][T23677] ip_gre: GRE over IPv4 tunneling driver
[ 3388.003126][T24248] ip6_gre: GRE over IPv6 tunneling driver
[ 3402.924900][T24497] ping (24497) used greatest stack depth: 23568 bytes left
[ 3408.748683][T21977] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3412.716549][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3416.493584][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3419.820555][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3423.660579][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3530.985490][T26514] ip (26514) used greatest stack depth: 23200 bytes left