[ 4451.209808][T22426] gre: GRE over IPv4 demultiplexor driver [ 4453.238221][T22449] ip_gre: GRE over IPv4 tunneling driver [ 4514.892182][T23021] ip6_gre: GRE over IPv6 tunneling driver [ 4558.371795][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4564.578724][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4569.762707][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4575.907709][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4677.893559][T24502] ping (24502) used greatest stack depth: 21936 bytes left