[ 3540.440753][T23508] gre: GRE over IPv4 demultiplexor driver
[ 3541.670208][T23531] ip_gre: GRE over IPv4 tunneling driver
[ 3578.750693][T24107] ip6_gre: GRE over IPv6 tunneling driver
[ 3583.482238][   T63] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3597.690433][   T63] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3600.298917][T24458] ping (24458) used greatest stack depth: 23360 bytes left
[ 3604.728279][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3608.697253][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3612.280260][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3616.761323][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3680.984581][T25542] ping (25542) used greatest stack depth: 22992 bytes left