[ 4400.359416][T22391] gre: GRE over IPv4 demultiplexor driver
[ 4402.356885][T22414] ip_gre: GRE over IPv4 tunneling driver
[ 4462.730474][T22987] ip6_gre: GRE over IPv6 tunneling driver
[ 4506.442454][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4512.330382][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4517.194377][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4523.083377][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!