[ 4341.404364][T20465] gre: GRE over IPv4 demultiplexor driver
[ 4343.402549][T20489] ip_gre: GRE over IPv4 tunneling driver
[ 4406.795164][T21061] ip6_gre: GRE over IPv6 tunneling driver
[ 4452.806963][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4459.397644][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4464.517619][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4471.045662][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!