[ 1549.541589][ T2806] gre: GRE over IPv4 demultiplexor driver [ 1551.569664][ T2829] ip_gre: GRE over IPv4 tunneling driver [ 1612.301919][ T3407] ip6_gre: GRE over IPv6 tunneling driver [ 1638.661086][ T3656] ping (3656) used greatest stack depth: 23312 bytes left [ 1655.471424][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 1662.190347][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 1667.630322][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 1674.030358][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured!