[ 1506.795314][T17639] gre: GRE over IPv4 demultiplexer driver
[ 1507.234039][T17662] ip_gre: GRE over IPv4 tunneling driver
[ 1522.295692][T18233] ip6_gre: GRE over IPv6 tunneling driver
[ 1532.159907][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1534.079875][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1535.871880][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1537.791887][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!