[ 3374.997763][T31441] gre: GRE over IPv4 demultiplexor driver
[ 3376.166487][T31465] ip_gre: GRE over IPv4 tunneling driver
[ 3412.249284][T32036] ip6_gre: GRE over IPv6 tunneling driver
[ 3427.093068][T32285] ping (32285) used greatest stack depth: 23568 bytes left
[ 3436.906377][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3440.681287][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3444.009278][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3447.785279][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!