[ 3188.082809][T25860] gre: GRE over IPv4 demultiplexor driver [ 3190.253890][T25883] ip_gre: GRE over IPv4 tunneling driver [ 3217.246014][T26135] ping (26135) used greatest stack depth: 22896 bytes left [ 3251.622203][T26454] ip6_gre: GRE over IPv6 tunneling driver [ 3293.528180][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3299.353088][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3304.344080][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3310.232091][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured!