[ 4434.122734][T26223] gre: GRE over IPv4 demultiplexor driver [ 4436.128255][T26247] ip_gre: GRE over IPv4 tunneling driver [ 4496.065460][T26819] ip6_gre: GRE over IPv6 tunneling driver [ 4503.241700][T26881] ping (26881) used greatest stack depth: 23008 bytes left [ 4537.658034][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4543.417981][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4548.345948][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4554.041978][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured!