[ 4707.376746][T24615] gre: GRE over IPv4 demultiplexor driver
[ 4709.695207][T24638] ip_gre: GRE over IPv4 tunneling driver
[ 4738.560681][T24891] ping (24891) used greatest stack depth: 23904 bytes left
[ 4775.903059][T25213] ip6_gre: GRE over IPv6 tunneling driver
[ 4805.403756][T25462] ping (25462) used greatest stack depth: 23600 bytes left
[ 4822.268495][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4828.668410][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4834.173413][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4840.893411][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!