ebtables-translate -A INPUT -j mark --mark-set 42
nft 'add rule bridge filter INPUT counter meta mark set 0x2a accept'

ebtables-translate -A INPUT -j mark --mark-or 42 --mark-target RETURN
nft 'add rule bridge filter INPUT counter meta mark set meta mark or 0x2a return'

ebtables-translate -A INPUT -j mark --mark-and 42 --mark-target ACCEPT
nft 'add rule bridge filter INPUT counter meta mark set meta mark and 0x2a accept'

ebtables-translate -A INPUT -j mark --mark-xor 42 --mark-target DROP
nft 'add rule bridge filter INPUT counter meta mark set meta mark xor 0x2a drop'