[ 3450.191526][T31380] gre: GRE over IPv4 demultiplexor driver
[ 3451.356634][T31405] ip_gre: GRE over IPv4 tunneling driver
[ 3469.013765][T31710] ping (31710) used greatest stack depth: 23304 bytes left
[ 3487.719934][T31986] ip6_gre: GRE over IPv6 tunneling driver
[ 3494.502617][T18830] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3497.574299][T31458] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3512.550220][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3516.454219][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3519.782190][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3523.622225][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!