[ 4629.905009][T24802] gre: GRE over IPv4 demultiplexor driver
[ 4632.138822][T24826] ip_gre: GRE over IPv4 tunneling driver
[ 4671.771568][T25173] ping (25173) used greatest stack depth: 22400 bytes left
[ 4697.896956][T25399] ip6_gre: GRE over IPv6 tunneling driver
[ 4743.345394][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4749.745327][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4754.993336][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4761.073346][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!