[ 3982.708963][T24674] gre: GRE over IPv4 demultiplexor driver [ 3984.684065][T24698] ip_gre: GRE over IPv4 tunneling driver [ 4012.802867][T24952] ping (24952) used greatest stack depth: 23184 bytes left [ 4047.816831][T25272] ip6_gre: GRE over IPv6 tunneling driver [ 4090.804481][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4096.884429][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4102.068332][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4108.404369][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured!