[ 3349.577755][T31440] gre: GRE over IPv4 demultiplexor driver [ 3350.735993][T31464] ip_gre: GRE over IPv4 tunneling driver [ 3385.480212][T32037] ip6_gre: GRE over IPv6 tunneling driver [ 3405.031657][T32381] ping (32381) used greatest stack depth: 23296 bytes left [ 3409.145216][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3412.793319][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3415.993142][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3419.705154][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3468.576294][ T952] ping (952) used greatest stack depth: 22344 bytes left [ 3537.983577][ T2091] ping (2091) used greatest stack depth: 22120 bytes left