[ 2564.805522][T17626] gre: GRE over IPv4 demultiplexor driver
[ 2566.813733][T17649] ip_gre: GRE over IPv4 tunneling driver
[ 2626.546274][T18227] ip6_gre: GRE over IPv6 tunneling driver
[ 2647.325929][T18426] ping (18426) used greatest stack depth: 22304 bytes left
[ 2667.886017][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2673.644954][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2678.636954][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2684.461972][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!