[ 3219.417660][T28937] gre: GRE over IPv4 demultiplexor driver
[ 3220.608477][T28960] ip_gre: GRE over IPv4 tunneling driver
[ 3256.344357][T29536] ip6_gre: GRE over IPv6 tunneling driver
[ 3271.228306][T29786] ping (29786) used greatest stack depth: 23568 bytes left
[ 3273.973715][   T61] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3280.822153][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3284.661165][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3287.925169][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3291.701154][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!