[ 4453.240125][T26182] gre: GRE over IPv4 demultiplexor driver [ 4455.259314][T26205] ip_gre: GRE over IPv4 tunneling driver [ 4481.641470][T26457] ping (26457) used greatest stack depth: 23360 bytes left [ 4515.219576][T26777] ip6_gre: GRE over IPv6 tunneling driver [ 4557.480433][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4563.433368][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4568.425024][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4574.312314][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured!