[ 4327.672722][T29235] gre: GRE over IPv4 demultiplexer driver
[ 4329.327108][T29258] ip_gre: GRE over IPv4 tunneling driver
[ 4377.263825][T29830] ip6_gre: GRE over IPv6 tunneling driver
[ 4382.762251][T29891] ping (29891) used greatest stack depth: 23288 bytes left
[ 4410.120586][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4414.920521][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4419.080528][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4423.944525][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!