[ 3219.302939][T28926] gre: GRE over IPv4 demultiplexor driver
[ 3220.468040][T28949] ip_gre: GRE over IPv4 tunneling driver
[ 3256.389567][T29520] ip6_gre: GRE over IPv6 tunneling driver
[ 3276.089029][T29864] ping (29864) used greatest stack depth: 23296 bytes left
[ 3276.474724][ T9045] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3280.248507][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3283.896509][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3287.096493][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3290.809486][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!