[ 3534.851761][T20513] gre: GRE over IPv4 demultiplexor driver
[ 3536.890662][T20536] ip_gre: GRE over IPv4 tunneling driver
[ 3603.286507][T21108] ip6_gre: GRE over IPv6 tunneling driver
[ 3647.092687][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3653.235703][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3658.419628][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3664.883628][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!