[ 4426.514065][T22430] gre: GRE over IPv4 demultiplexor driver [ 4428.555103][T22453] ip_gre: GRE over IPv4 tunneling driver [ 4488.989095][T23030] ip6_gre: GRE over IPv6 tunneling driver [ 4531.828422][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4537.844321][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4542.837329][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4548.788315][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4637.456822][T24417] ping (24417) used greatest stack depth: 22232 bytes left