[ 3988.374492][T20045] gre: GRE over IPv4 demultiplexor driver
[ 3990.556273][T20068] ip_gre: GRE over IPv4 tunneling driver
[ 4054.156225][T20641] ip6_gre: GRE over IPv6 tunneling driver
[ 4100.214007][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4106.676875][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4111.924881][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4118.069921][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4147.270624][T21463] ping (21463) used greatest stack depth: 22832 bytes left