[ 4416.425487][T20659] gre: GRE over IPv4 demultiplexor driver
[ 4418.484861][T20682] ip_gre: GRE over IPv4 tunneling driver
[ 4478.979051][T21254] ip6_gre: GRE over IPv6 tunneling driver
[ 4520.563468][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4526.386409][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4531.250410][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4537.139397][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!