[ 3373.896257][T21824] gre: GRE over IPv4 demultiplexor driver
[ 3374.996932][T21847] ip_gre: GRE over IPv4 tunneling driver
[ 3409.571310][T22419] ip6_gre: GRE over IPv6 tunneling driver
[ 3410.925227][   T61] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3424.003148][T22672] ping (22672) used greatest stack depth: 23552 bytes left
[ 3433.581189][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3437.230096][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3440.494087][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3444.205106][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!