[ 3148.914855][T28998] gre: GRE over IPv4 demultiplexor driver
[ 3150.099060][T29021] ip_gre: GRE over IPv4 tunneling driver
[ 3186.920904][T29593] ip6_gre: GRE over IPv6 tunneling driver
[ 3201.533885][T29844] ping (29844) used greatest stack depth: 23296 bytes left
[ 3211.379501][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3215.347189][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3218.740170][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3222.515174][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!