[ 4612.185329][T29664] gre: GRE over IPv4 demultiplexer driver
[ 4613.909642][T29687] ip_gre: GRE over IPv4 tunneling driver
[ 4664.059463][T30258] ip6_gre: GRE over IPv6 tunneling driver
[ 4693.292215][T30609] ping (30609) used greatest stack depth: 22784 bytes left
[ 4698.553848][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4703.607778][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4707.959763][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4713.015740][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!