[ 4719.050561][T24912] gre: GRE over IPv4 demultiplexor driver [ 4721.485717][T24942] ip_gre: GRE over IPv4 tunneling driver [ 4729.479708][T25006] ping (25006) used greatest stack depth: 23456 bytes left [ 4750.514476][T25196] ping (25196) used greatest stack depth: 23360 bytes left [ 4787.501876][T25523] ip6_gre: GRE over IPv6 tunneling driver [ 4832.659775][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4839.060673][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4844.243700][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4850.451689][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured!