[ 4626.629459][T24865] gre: GRE over IPv4 demultiplexor driver
[ 4628.866372][T24888] ip_gre: GRE over IPv4 tunneling driver
[ 4693.648488][T25459] ip6_gre: GRE over IPv6 tunneling driver
[ 4701.519314][T25520] ping (25520) used greatest stack depth: 23032 bytes left
[ 4739.826522][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4746.291545][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4751.859430][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4758.322420][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!