[ 4413.547273][T26352] gre: GRE over IPv4 demultiplexor driver [ 4415.760085][T26382] ip_gre: GRE over IPv4 tunneling driver [ 4476.789449][T26953] ip6_gre: GRE over IPv6 tunneling driver [ 4519.759527][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4525.646423][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4530.638439][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4536.591426][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4629.823077][T28397] ping (28397) used greatest stack depth: 22672 bytes left