[ 3387.885203][T30225] gre: GRE over IPv4 demultiplexor driver [ 3389.049956][T30248] ip_gre: GRE over IPv4 tunneling driver [ 3424.633268][T30827] ip6_gre: GRE over IPv6 tunneling driver [ 3444.498106][T31171] ping (31171) used greatest stack depth: 23312 bytes left [ 3448.740598][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3452.515507][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3455.779519][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3459.555573][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured!