[ 4268.885915][T29267] gre: GRE over IPv4 demultiplexer driver
[ 4270.670492][T29290] ip_gre: GRE over IPv4 tunneling driver
[ 4323.403107][T29869] ip6_gre: GRE over IPv6 tunneling driver
[ 4351.838135][T30217] ping (30217) used greatest stack depth: 23104 bytes left
[ 4356.859510][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4361.659456][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4365.948457][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4370.876422][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!