[ 3523.431877][ T6418] gre: GRE over IPv4 demultiplexer driver
[ 3525.052420][ T6441] ip_gre: GRE over IPv4 tunneling driver
[ 3575.120791][ T7026] ip6_gre: GRE over IPv6 tunneling driver
[ 3596.429235][ T7275] ping (7275) used greatest stack depth: 23440 bytes left
[ 3609.435296][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3614.427225][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3618.650189][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3623.578224][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3795.774079][ T9546] ping (9546) used greatest stack depth: 23360 bytes left