[ 4222.147648][T20615] gre: GRE over IPv4 demultiplexor driver
[ 4224.428523][T20638] ip_gre: GRE over IPv4 tunneling driver
[ 4290.885904][T21212] ip6_gre: GRE over IPv6 tunneling driver
[ 4336.579529][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4342.851488][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4348.227458][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4354.627469][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!