[ 4236.137046][T29291] gre: GRE over IPv4 demultiplexer driver
[ 4237.762874][T29314] ip_gre: GRE over IPv4 tunneling driver
[ 4286.414336][T29895] ip6_gre: GRE over IPv6 tunneling driver
[ 4303.549293][T26111] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4315.092871][T30238] ping (30238) used greatest stack depth: 23488 bytes left
[ 4320.249987][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4325.241997][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4329.465988][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4334.329011][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!