[ 3231.367945][T23669] gre: GRE over IPv4 demultiplexer driver
[ 3232.964098][T23692] ip_gre: GRE over IPv4 tunneling driver
[ 3281.191573][T24263] ip6_gre: GRE over IPv6 tunneling driver
[ 3309.409198][T24607] ping (24607) used greatest stack depth: 23648 bytes left
[ 3314.583755][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3319.575603][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3323.735563][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3328.599567][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!