[ 4642.405680][T24694] gre: GRE over IPv4 demultiplexor driver [ 4644.567367][T24717] ip_gre: GRE over IPv4 tunneling driver [ 4644.640337][T24716] ip (24716) used greatest stack depth: 23552 bytes left [ 4710.025896][T25297] ip6_gre: GRE over IPv6 tunneling driver [ 4732.744967][T25496] ping (25496) used greatest stack depth: 22656 bytes left [ 4755.614280][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4762.013208][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4767.197228][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4773.341222][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured!