[ 3236.346657][T23666] gre: GRE over IPv4 demultiplexer driver
[ 3237.980978][T23690] ip_gre: GRE over IPv4 tunneling driver
[ 3286.297061][T24268] ip6_gre: GRE over IPv6 tunneling driver
[ 3306.608608][T24518] ping (24518) used greatest stack depth: 23264 bytes left
[ 3319.299637][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3324.099532][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3328.259519][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3333.059530][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!