[ 4331.208151][T20453] gre: GRE over IPv4 demultiplexor driver
[ 4333.286292][T20476] ip_gre: GRE over IPv4 tunneling driver
[ 4395.084282][T21056] ip6_gre: GRE over IPv6 tunneling driver
[ 4438.433666][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4444.448580][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4449.696618][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4455.713589][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!