[ 4454.281529][T26006] gre: GRE over IPv4 demultiplexor driver [ 4457.176006][T26029] ip_gre: GRE over IPv4 tunneling driver [ 4525.816108][T26601] ip6_gre: GRE over IPv6 tunneling driver [ 4551.778585][T26852] ping (26852) used greatest stack depth: 23616 bytes left [ 4567.038485][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4572.926396][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4577.982412][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4583.806429][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured!