[ 4613.576488][T24922] gre: GRE over IPv4 demultiplexor driver
[ 4615.675738][T24945] ip_gre: GRE over IPv4 tunneling driver
[ 4680.349090][T25519] ip6_gre: GRE over IPv6 tunneling driver
[ 4721.306628][T25862] ping (25862) used greatest stack depth: 23360 bytes left
[ 4727.696381][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4734.223339][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4739.856301][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4746.320338][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!