[ 4720.538607][T23236] gre: GRE over IPv4 demultiplexor driver
[ 4722.905104][T23259] ip_gre: GRE over IPv4 tunneling driver
[ 4788.913819][T23832] ip6_gre: GRE over IPv6 tunneling driver
[ 4834.345225][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4840.809137][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4846.186128][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4852.521194][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!