[ 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!