[ 3204.375802][T27830] gre: GRE over IPv4 demultiplexor driver
[ 3205.566167][T27853] ip_gre: GRE over IPv4 tunneling driver
[ 3242.286791][T28424] ip6_gre: GRE over IPv6 tunneling driver
[ 3252.326501][T26933] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3260.392458][T25460] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3263.022151][T28768] ping (28768) used greatest stack depth: 23360 bytes left
[ 3267.365429][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3271.397427][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3274.725408][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3278.693391][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!