[ 3145.573192][T27802] gre: GRE over IPv4 demultiplexor driver [ 3146.740646][T27825] ip_gre: GRE over IPv4 tunneling driver [ 3182.601760][T28397] ip6_gre: GRE over IPv6 tunneling driver [ 3197.635753][T28654] ping (28654) used greatest stack depth: 23312 bytes left [ 3207.080472][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3210.728403][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3213.929401][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3217.576392][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3266.583152][T29794] ping (29794) used greatest stack depth: 22048 bytes left