[ 2575.568079][T17627] gre: GRE over IPv4 demultiplexor driver
[ 2577.587763][T17650] ip_gre: GRE over IPv4 tunneling driver
[ 2638.360614][T18221] ip6_gre: GRE over IPv6 tunneling driver
[ 2681.195918][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2687.146925][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2692.138814][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2697.963806][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!