[ 3183.041244][T23672] gre: GRE over IPv4 demultiplexer driver
[ 3184.678648][T23695] ip_gre: GRE over IPv4 tunneling driver
[ 3233.697743][T24270] ip6_gre: GRE over IPv6 tunneling driver
[ 3262.093187][T24613] ping (24613) used greatest stack depth: 23088 bytes left
[ 3267.166983][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3271.966851][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3276.255844][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3280.991836][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!