[ 4715.363796][T24767] gre: GRE over IPv4 demultiplexor driver [ 4717.688378][T24790] ip_gre: GRE over IPv4 tunneling driver [ 4748.032794][T25043] ping (25043) used greatest stack depth: 23360 bytes left [ 4785.950676][T25364] ip6_gre: GRE over IPv6 tunneling driver [ 4832.543784][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4838.944687][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4844.255678][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4850.783692][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured!