[ 3319.026449][T23688] gre: GRE over IPv4 demultiplexer driver
[ 3320.617366][T23711] ip_gre: GRE over IPv4 tunneling driver
[ 3368.128944][T24283] ip6_gre: GRE over IPv6 tunneling driver
[ 3388.355486][T24532] ping (24532) used greatest stack depth: 23552 bytes left
[ 3400.987145][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3405.851062][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3410.011064][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3414.810088][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!