[ 3168.930707][T23670] gre: GRE over IPv4 demultiplexer driver
[ 3170.601263][T23697] ip_gre: GRE over IPv4 tunneling driver
[ 3219.466608][T24268] ip6_gre: GRE over IPv6 tunneling driver
[ 3248.053986][T24611] ping (24611) used greatest stack depth: 23552 bytes left
[ 3253.194570][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3258.059437][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3262.219436][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3267.275431][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!