[ 4749.151031][T24642] gre: GRE over IPv4 demultiplexor driver [ 4751.343205][T24665] ip_gre: GRE over IPv4 tunneling driver [ 4817.289882][T25239] ip6_gre: GRE over IPv6 tunneling driver [ 4825.178078][T25300] ping (25300) used greatest stack depth: 23064 bytes left [ 4863.158395][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4869.430350][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4874.871289][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4881.206294][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured!