[ 4206.144791][T29175] gre: GRE over IPv4 demultiplexer driver
[ 4207.735716][T29198] ip_gre: GRE over IPv4 tunneling driver
[ 4255.321503][T29777] ip6_gre: GRE over IPv6 tunneling driver
[ 4282.801895][T30120] ping (30120) used greatest stack depth: 23440 bytes left
[ 4287.870572][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4292.670440][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4296.830467][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4301.823485][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!